Hello I get a black screen after the update.
The problem is the modul MMM-Buttons.
It’s need electron but a rebuild will not work it get’s the follow errors

pi@Mirror:~/MagicMirror/modules/MMM-Buttons $ ./node_modules/.bin/electron-rebuild
✖ Rebuild Failed

An unhandled error occurred inside electron-rebuild
gyp info it worked if it ends with ok
gyp info using node-gyp@6.1.0
gyp info using node@6.10.2 | linux | arm
gyp info find Python using Python version 2.7.9 found at "/usr/bin/python"
gyp info spawn /usr/bin/python
gyp info spawn args [ '/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/node-gyp/gyp/gyp_main.py',
gyp info spawn args   'binding.gyp',
gyp info spawn args   '-f',
gyp info spawn args   'make',
gyp info spawn args   '-I',
gyp info spawn args   '/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/epoll/build/config.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/node-gyp/addon.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/home/pi/.electron-gyp/6.1.9/include/node/common.gypi',
gyp info spawn args   '-Dlibrary=shared_library',
gyp info spawn args   '-Dvisibility=default',
gyp info spawn args   '-Dnode_root_dir=/home/pi/.electron-gyp/6.1.9',
gyp info spawn args   '-Dnode_gyp_dir=/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/node-gyp',
gyp info spawn args   '-Dnode_lib_file=/home/pi/.electron-gyp/6.1.9/<(target_arch)/node.lib',
gyp info spawn args   '-Dmodule_root_dir=/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/epoll',
gyp info spawn args   '-Dnode_engine=v8',
gyp info spawn args   '--depth=.',
gyp info spawn args   '--no-parallel',
gyp info spawn args   '--generator-output',
gyp info spawn args   'build',
gyp info spawn args   '-Goutput_dir=.' ]
make: Entering directory '/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/epoll/build'
gyp info spawn make
gyp info spawn args [ 'BUILDTYPE=Release', '-C', 'build' ]
  CXX(target) Release/obj.target/epoll/src/epoll.o
In file included from /home/pi/.electron-gyp/6.1.9/include/node/v8-internal.h:14:0,
                 from /home/pi/.electron-gyp/6.1.9/include/node/v8.h:25,
                 from ../src/epoll.cc:11:
/home/pi/.electron-gyp/6.1.9/include/node/v8config.h:326:49: warning: ‘MicrotasksCompletedCallback’ is deprecated [-Wdeprecated-declarations]
   declarator __attribute__((deprecated(message)))
                                                 ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:8205:3: note: in expansion of macro ‘V8_DEPRECATE_SOON’
   V8_DEPRECATE_SOON("Use *WithData version.",
   ^
/home/pi/.electron-gyp/6.1.9/include/node/v8config.h:326:49: warning: ‘MicrotasksCompletedCallback’ is deprecated [-Wdeprecated-declarations]
   declarator __attribute__((deprecated(message)))
                                                 ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:8214:3: note: in expansion of macro ‘V8_DEPRECATE_SOON’
   V8_DEPRECATE_SOON("Use *WithData version.",
   ^
In file included from ../../nan/nan_converters.h:67:0,
                 from ../../nan/nan.h:202,
                 from ../src/epoll.cc:15:
../../nan/nan_converters_43_inl.h: In static member function ‘static Nan::imp::ToFactoryBase<v8::Boolean>::return_t Nan::imp::ToFactory<v8::Boolean>::convert(v8::Local<v8::Value>)’:
../../nan/nan_converters_43_inl.h:18:69: error: no matching function for call to ‘v8::Value::ToBoolean(v8::Local<v8::Context>)’
       val->To ## TYPE(v8::Isolate::GetCurrent()->GetCurrentContext())          \
                                                                     ^
../../nan/nan_converters_43_inl.h:22:1: note: in expansion of macro ‘X’
 X(Boolean)
 ^
../../nan/nan_converters_43_inl.h:18:69: note: candidates are:
       val->To ## TYPE(v8::Isolate::GetCurrent()->GetCurrentContext())          \
                                                                     ^
../../nan/nan_converters_43_inl.h:22:1: note: in expansion of macro ‘X’
 X(Boolean)
 ^
In file included from ../src/epoll.cc:11:0:
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:2516:18: note: v8::Local<v8::Boolean> v8::Value::ToBoolean(v8::Isolate*) const
   Local<Boolean> ToBoolean(Isolate* isolate) const;
                  ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:2516:18: note:   no known conversion for argument 1 from ‘v8::Local<v8::Context>’ to ‘v8::Isolate*’
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:10428:16: note: v8::Local<v8::Boolean> v8::Value::ToBoolean() const
 Local<Boolean> Value::ToBoolean() const {
                ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:10428:16: note:   candidate expects 0 arguments, 1 provided
In file included from ../../nan/nan_converters.h:67:0,
                 from ../../nan/nan.h:202,
                 from ../src/epoll.cc:15:
../../nan/nan_converters_43_inl.h: In static member function ‘static Nan::imp::ValueFactoryBase<bool>::return_t Nan::imp::ToFactory<bool>::convert(v8::Local<v8::Value>)’:
../../nan/nan_converters_43_inl.h:37:57: error: no matching function for call to ‘v8::Value::BooleanValue(v8::Local<v8::Context>)’
   return val->NAME ## Value(isolate->GetCurrentContext());                     \
                                                         ^
../../nan/nan_converters_43_inl.h:40:1: note: in expansion of macro ‘X’
 X(bool, Boolean)
 ^
../../nan/nan_converters_43_inl.h:37:57: note: candidates are:
   return val->NAME ## Value(isolate->GetCurrentContext());                     \
                                                         ^
../../nan/nan_converters_43_inl.h:40:1: note: in expansion of macro ‘X’
 X(bool, Boolean)
 ^
In file included from ../src/epoll.cc:11:0:
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:2532:8: note: bool v8::Value::BooleanValue(v8::Isolate*) const
   bool BooleanValue(Isolate* isolate) const;
        ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:2532:8: note:   no known conversion for argument 1 from ‘v8::Local<v8::Context>’ to ‘v8::Isolate*’
In file included from /home/pi/.electron-gyp/6.1.9/include/node/v8-internal.h:14:0,
                 from /home/pi/.electron-gyp/6.1.9/include/node/v8.h:25,
                 from ../src/epoll.cc:11:
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:2541:43: note: bool v8::Value::BooleanValue() const
   V8_DEPRECATED("Use maybe version", bool BooleanValue() const);
                                           ^
/home/pi/.electron-gyp/6.1.9/include/node/v8config.h:311:3: note: in definition of macro ‘V8_DEPRECATED’
   declarator __attribute__((deprecated(message)))
   ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:2541:43: note:   candidate expects 0 arguments, 1 provided
   V8_DEPRECATED("Use maybe version", bool BooleanValue() const);
                                           ^
/home/pi/.electron-gyp/6.1.9/include/node/v8config.h:311:3: note: in definition of macro ‘V8_DEPRECATED’
   declarator __attribute__((deprecated(message)))
   ^
In file included from ../../nan/nan_new.h:189:0,
                 from ../../nan/nan.h:203,
                 from ../src/epoll.cc:15:
../../nan/nan_implementation_12_inl.h: In static member function ‘static Nan::imp::FactoryBase<v8::Function>::return_t Nan::imp::Factory<v8::Function>::New(Nan::FunctionCallback, v8::Local<v8::Value>)’:
../../nan/nan_implementation_12_inl.h:105:32: error: no matching function for call to ‘v8::Function::New(v8::Isolate*&, void (&)(const v8::FunctionCallbackInfo<v8::Value>&), v8::Local<v8::Object>&)’
                           , obj));
                                ^
../../nan/nan_implementation_12_inl.h:105:32: note: candidate is:
In file included from ../src/epoll.cc:11:0:
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:4094:31: note: static v8::MaybeLocal<v8::Function> v8::Function::New(v8::Local<v8::Context>, v8::FunctionCallback, v8::Local<v8::Value>, int, v8::ConstructorBehavior, v8::SideEffectType)
   static MaybeLocal<Function> New(
                               ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:4094:31: note:   no known conversion for argument 1 from ‘v8::Isolate*’ to ‘v8::Local<v8::Context>’
In file included from ../../nan/nan_new.h:189:0,
                 from ../../nan/nan.h:203,
                 from ../src/epoll.cc:15:
../../nan/nan_implementation_12_inl.h: In static member function ‘static Nan::imp::FactoryBase<v8::StringObject>::return_t Nan::imp::Factory<v8::StringObject>::New(v8::Local<v8::String>)’:
../../nan/nan_implementation_12_inl.h:337:37: warning: ‘static v8::Local<v8::Value> v8::StringObject::New(v8::Local<v8::String>)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:5323): Use Isolate* version [-Wdeprecated-declarations]
   return v8::StringObject::New(value).As<v8::StringObject>();
                                     ^
In file included from ../src/epoll.cc:15:0:
../../nan/nan.h: In function ‘v8::Local<v8::Value> Nan::MakeCallback(v8::Local<v8::Object>, v8::Local<v8::Function>, int, v8::Local<v8::Value>*)’:
../../nan/nan.h:840:60: warning: ‘v8::Local<v8::Value> node::MakeCallback(v8::Isolate*, v8::Local<v8::Object>, v8::Local<v8::Function>, int, v8::Local<v8::Value>*)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/node.h:174): Use MakeCallback(..., async_context) [-Wdeprecated-declarations]
         v8::Isolate::GetCurrent(), target, func, argc, argv);
                                                            ^
../../nan/nan.h: In function ‘v8::Local<v8::Value> Nan::MakeCallback(v8::Local<v8::Object>, v8::Local<v8::String>, int, v8::Local<v8::Value>*)’:
../../nan/nan.h:855:62: warning: ‘v8::Local<v8::Value> node::MakeCallback(v8::Isolate*, v8::Local<v8::Object>, v8::Local<v8::String>, int, v8::Local<v8::Value>*)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/node.h:167): Use MakeCallback(..., async_context) [-Wdeprecated-declarations]
         v8::Isolate::GetCurrent(), target, symbol, argc, argv);
                                                              ^
../../nan/nan.h: In function ‘v8::Local<v8::Value> Nan::MakeCallback(v8::Local<v8::Object>, const char*, int, v8::Local<v8::Value>*)’:
../../nan/nan.h:870:62: warning: ‘v8::Local<v8::Value> node::MakeCallback(v8::Isolate*, v8::Local<v8::Object>, const char*, int, v8::Local<v8::Value>*)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/node.h:160): Use MakeCallback(..., async_context) [-Wdeprecated-declarations]
         v8::Isolate::GetCurrent(), target, method, argc, argv);
                                                              ^
../../nan/nan.h: In constructor ‘Nan::Utf8String::Utf8String(v8::Local<v8::Value>)’:
../../nan/nan.h:916:53: warning: ‘v8::Local<v8::String> v8::Value::ToString() const’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:10433): Use maybe version [-Wdeprecated-declarations]
       v8::Local<v8::String> string = from->ToString();
                                                     ^
../../nan/nan.h:926:74: warning: ‘int v8::String::WriteUtf8(char*, int, int*, int) const’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:2726): Use Isolate* version [-Wdeprecated-declarations]
         length_ = string->WriteUtf8(str_, static_cast<int>(len), 0, flags);
                                                                          ^
../../nan/nan.h: In member function ‘v8::Local<v8::Value> Nan::Callback::Call_(v8::Isolate*, v8::Local<v8::Object>, int, v8::Local<v8::Value>*) const’:
../../nan/nan.h:1484:5: warning: ‘v8::Local<v8::Value> node::MakeCallback(v8::Isolate*, v8::Local<v8::Object>, v8::Local<v8::Function>, int, v8::Local<v8::Value>*)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/node.h:174): Use MakeCallback(..., async_context) [-Wdeprecated-declarations]
     ));
     ^
../../nan/nan.h: In member function ‘void Nan::AsyncWorker::SaveToPersistent(const char*, const v8::Local<v8::Value>&)’:
../../nan/nan.h:1538:64: warning: ‘bool v8::Object::Set(v8::Local<v8::Value>, v8::Local<v8::Value>)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:3330): Use maybe version [-Wdeprecated-declarations]
     New(persistentHandle)->Set(New(key).ToLocalChecked(), value);
                                                                ^
../../nan/nan.h: In member function ‘void Nan::AsyncWorker::SaveToPersistent(const v8::Local<v8::String>&, const v8::Local<v8::Value>&)’:
../../nan/nan.h:1544:42: warning: ‘bool v8::Object::Set(v8::Local<v8::Value>, v8::Local<v8::Value>)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:3330): Use maybe version [-Wdeprecated-declarations]
     New(persistentHandle)->Set(key, value);
                                          ^
../../nan/nan.h: In member function ‘void Nan::AsyncWorker::SaveToPersistent(uint32_t, const v8::Local<v8::Value>&)’:
../../nan/nan.h:1550:44: warning: ‘bool v8::Object::Set(uint32_t, v8::Local<v8::Value>)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:3339): Use maybe version [-Wdeprecated-declarations]
     New(persistentHandle)->Set(index, value);
                                            ^
../../nan/nan.h: In member function ‘v8::Local<v8::Value> Nan::AsyncWorker::GetFromPersistent(const char*) const’:
../../nan/nan.h:1556:61: warning: ‘v8::Local<v8::Value> v8::Object::Get(v8::Local<v8::Value>)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:3384): Use maybe version [-Wdeprecated-declarations]
         New(persistentHandle)->Get(New(key).ToLocalChecked()));
                                                             ^
../../nan/nan.h: In member function ‘v8::Local<v8::Value> Nan::AsyncWorker::GetFromPersistent(const v8::Local<v8::String>&) const’:
../../nan/nan.h:1562:55: warning: ‘v8::Local<v8::Value> v8::Object::Get(v8::Local<v8::Value>)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:3384): Use maybe version [-Wdeprecated-declarations]
     return scope.Escape(New(persistentHandle)->Get(key));
                                                       ^
../../nan/nan.h: In member function ‘v8::Local<v8::Value> Nan::AsyncWorker::GetFromPersistent(uint32_t) const’:
../../nan/nan.h:1567:57: warning: ‘v8::Local<v8::Value> v8::Object::Get(uint32_t)’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:3388): Use maybe version [-Wdeprecated-declarations]
     return scope.Escape(New(persistentHandle)->Get(index));
                                                         ^
In file included from /usr/include/c++/4.9/cassert:43:0,
                 from /home/pi/.electron-gyp/6.1.9/include/node/node_object_wrap.h:26,
                 from ../src/epoll.cc:13:
../../nan/nan_object_wrap.h: In destructor ‘virtual Nan::ObjectWrap::~ObjectWrap()’:
../../nan/nan_object_wrap.h:24:25: error: ‘class Nan::Persistent<v8::Object>’ has no member named ‘IsNearDeath’
     assert(persistent().IsNearDeath());
                         ^
In file included from ../../nan/nan.h:2365:0,
                 from ../src/epoll.cc:15:
../../nan/nan_object_wrap.h: In member function ‘void Nan::ObjectWrap::MakeWeak()’:
../../nan/nan_object_wrap.h:67:18: error: ‘class Nan::Persistent<v8::Object>’ has no member named ‘MarkIndependent’
     persistent().MarkIndependent();
                  ^
In file included from /usr/include/c++/4.9/cassert:43:0,
                 from /home/pi/.electron-gyp/6.1.9/include/node/node_object_wrap.h:26,
                 from ../src/epoll.cc:13:
../../nan/nan_object_wrap.h: In static member function ‘static void Nan::ObjectWrap::WeakCallback(const v8::WeakCallbackInfo<Nan::ObjectWrap>&)’:
../../nan/nan_object_wrap.h:124:26: error: ‘class Nan::Persistent<v8::Object>’ has no member named ‘IsNearDeath’
     assert(wrap->handle_.IsNearDeath());
                          ^
../src/epoll.cc: In static member function ‘static void Epoll::Init(Nan::ADDON_REGISTER_FUNCTION_ARGS_TYPE)’:
../src/epoll.cc:175:39: error: no matching function for call to ‘v8::FunctionTemplate::GetFunction()’
   constructor.Reset(ctor->GetFunction());
                                       ^
../src/epoll.cc:175:39: note: candidate is:
In file included from ../src/epoll.cc:11:0:
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:5891:46: note: v8::MaybeLocal<v8::Function> v8::FunctionTemplate::GetFunction(v8::Local<v8::Context>)
   V8_WARN_UNUSED_RESULT MaybeLocal<Function> GetFunction(
                                              ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:5891:46: note:   candidate expects 1 argument, 0 provided
../src/epoll.cc:177:23: error: no matching function for call to ‘v8::FunctionTemplate::GetFunction()’
     ctor->GetFunction());
                       ^
../src/epoll.cc:177:23: note: candidate is:
In file included from ../src/epoll.cc:11:0:
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:5891:46: note: v8::MaybeLocal<v8::Function> v8::FunctionTemplate::GetFunction(v8::Local<v8::Context>)
   V8_WARN_UNUSED_RESULT MaybeLocal<Function> GetFunction(
                                              ^
/home/pi/.electron-gyp/6.1.9/include/node/v8.h:5891:46: note:   candidate expects 1 argument, 0 provided
../src/epoll.cc: In static member function ‘static Nan::NAN_METHOD_RETURN_TYPE Epoll::Add(Nan::NAN_METHOD_ARGS_TYPE)’:
../src/epoll.cc:210:44: warning: ‘int32_t v8::Value::Int32Value() const’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:2545): Use maybe version [-Wdeprecated-declarations]
   int err = epoll->Add(info[0]->Int32Value(), info[1]->Int32Value());
                                            ^
../src/epoll.cc:210:67: warning: ‘int32_t v8::Value::Int32Value() const’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:2545): Use maybe version [-Wdeprecated-declarations]
   int err = epoll->Add(info[0]->Int32Value(), info[1]->Int32Value());
                                                                   ^
../src/epoll.cc: In static member function ‘static Nan::NAN_METHOD_RETURN_TYPE Epoll::Modify(Nan::NAN_METHOD_ARGS_TYPE)’:
../src/epoll.cc:230:47: warning: ‘int32_t v8::Value::Int32Value() const’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:2545): Use maybe version [-Wdeprecated-declarations]
   int err = epoll->Modify(info[0]->Int32Value(), info[1]->Int32Value());
                                               ^
../src/epoll.cc:230:70: warning: ‘int32_t v8::Value::Int32Value() const’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:2545): Use maybe version [-Wdeprecated-declarations]
   int err = epoll->Modify(info[0]->Int32Value(), info[1]->Int32Value());
                                                                      ^
../src/epoll.cc: In static member function ‘static Nan::NAN_METHOD_RETURN_TYPE Epoll::Remove(Nan::NAN_METHOD_ARGS_TYPE)’:
../src/epoll.cc:247:47: warning: ‘int32_t v8::Value::Int32Value() const’ is deprecated (declared at /home/pi/.electron-gyp/6.1.9/include/node/v8.h:2545): Use maybe version [-Wdeprecated-declarations]
   int err = epoll->Remove(info[0]->Int32Value());
                                               ^
epoll.target.mk:107: recipe for target 'Release/obj.target/epoll/src/epoll.o' failed
make: Leaving directory '/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/epoll/build'
make: *** [Release/obj.target/epoll/src/epoll.o] Error 1
gyp ERR! build error
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/node-gyp/lib/build.js:194:23)
gyp ERR! stack     at emitTwo (events.js:106:13)
gyp ERR! stack     at ChildProcess.emit (events.js:191:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
gyp ERR! System Linux 4.9.22-v7+
gyp ERR! command "/usr/bin/nodejs" "/home/pi/MagicMirror/modules/MMM-Buttons/node_modules/.bin/node-gyp" "rebuild" "--target=6.1.9" "--arch=arm" "--dist-url=https://www.electronjs.org/headers" "--build-from-source"
gyp ERR! cwd /home/pi/MagicMirror/modules/MMM-Buttons/node_modules/epoll
gyp ERR! node -v v6.10.2
gyp ERR! node-gyp -v v6.1.0
gyp ERR! not ok

Failed with exit code: 1

I hope the first part of the error text is enough. The complete text is to long.

Thanks for some help.

Thanks.

I have only npm install at Magicmirror not for the modules.

Now it was running fine.

Hello,
afer the updatre I get a black screen, but Magicmirror is still running.

pi@Mirror:~/MagicMirror $ pm2 status
┌──────────┬────┬──────┬──────┬────────┬─────────┬────────┬─────┬──────────┬──────────┐
│ App name │ id │ mode │ pid  │ status │ restart │ uptime │ cpu │ mem      │ watching │
├──────────┼────┼──────┼──────┼────────┼─────────┼────────┼─────┼──────────┼──────────┤
│ mm       │ 0  │ fork │ 1030 │ online │ 0       │ 12h    │ 0%  │ 2.3 MB   │ enabled  │
└──────────┴────┴──────┴──────┴────────┴─────────┴────────┴─────┴──────────┴──────────┘
 Use `pm2 show <id|name>` to get more details about an app
pi@Mirror:~/MagicMirror $ cd ..
pi@Mirror:~ $ cd MagicMirror
pi@Mirror:~/MagicMirror $ ls
CHANGELOG.md  config  css            fonts         index.html  js             LICENSE.md  module-types.ts  package.json       README.md     serveronly    tests         vendor
clientonly    core    dangerfile.js  Gruntfile.js  installers  jsconfig.json  modules     node_modules     package-lock.json  run-start.sh  splashscreen  translations
pi@Mirror:~/MagicMirror $ cd config
pi@Mirror:~/MagicMirror/config $ ls
config.js  config.js.sample
pi@Mirror:~/MagicMirror/config $ cd ..
pi@Mirror:~/MagicMirror $ npm run config:check

> magicmirror@2.8.0 config:check /home/pi/MagicMirror
> node tests/configs/check_config.js

Checking file...  /home/pi/MagicMirror/config/config.js
Your configuration file doesn't contain syntax errors :)
pi@Mirror:~/MagicMirror $ npm install

> magicmirror@2.8.0 install /home/pi/MagicMirror
> cd vendor && npm install

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"arm"})

> magicmirror@2.8.0 postinstall /home/pi/MagicMirror
> sh installers/postinstall/postinstall.sh && npm run install-fonts

MagicMirror installation successful!

> magicmirror@2.8.0 install-fonts /home/pi/MagicMirror
> cd fonts && npm install

npm WARN stylelint-config-standard@16.0.0 requires a peer of stylelint@^7.8.0 but none was installed.

I hope someone can help me.

greets Blackmirror

Thanks. It’s work fine

Hello,
I have the same problem, but this fix will not solve my problem.

              {
                        module: 'calendar',
                        classes: 'default everyone',
                     //   header: 'Termine',
                        position: 'top_right',
                        config: {
                               calendars: [
                                        {
                                                url: 'https://calendar.google.com/calendar/XXX',
                                                symbol: 'calender',
                                                colored: true,
                                                displayRepeatingCountTitle: 'Birthday',
                                                timeFormat: 'absolute',
                                                maximumEntries: 5,
                                                dateFormat: 'DD MMM',
                                                fullDayEventDateFormat:'DD MMM',
                                                showEnd: false,
                                                getRelative: 48,
                                                urgency: 2
                                        }
                                ]
                        }
                },

And the chance from the date will not work.

The Date shows : Dec 8 and not 8 Dec.

Thanks

Blackmirror

Here the output:

Starting MagicMirror: v2.5.0
Loading config ...
Loading module helpers ...
No helper found for module: alert.
No helper found for module: MMM-Carousel.
Initializing new module helper ...
Module helper loaded: MMM-Buttons
No helper found for module: MMM-ProfileSwitcher.
Initializing new module helper ...
Module helper loaded: MMM-Podcast
Initializing new module helper ...
Module helper loaded: MMM-DWD-WarnWeather
Initializing new module helper ...
Module helper loaded: MMM-Todoist
Initializing new module helper ...
Module helper loaded: updatenotification
Initializing new module helper ...
Module helper loaded: MMM-FRITZ-Box-Callmonitor
No helper found for module: MMM-Callmonitor-Current-Call.
No helper found for module: clock.
No helper found for module: currentweather.
Initializing new module helper ...
Module helper loaded: calendar
WARNING! Could not load config file. Starting with default configuration. Error                                                                                                              found: Error: The module '/home/pi/MagicMirror/modules/MMM-DHT-Sensor/node_modul                                                                                                             es/node-dht-sensor/build/Release/node_dht_sensor.node'
was compiled against a different Node.js version using
NODE_MODULE_VERSION 50. This version of Node.js requires
NODE_MODULE_VERSION 57. Please try re-compiling or re-installing
the module (for instance, using `npm rebuild` or `npm install`).
Loading module helpers ...
No helper found for module: alert.
No helper found for module: MMM-Carousel.
Initializing new module helper ...
Module helper loaded: MMM-Buttons
No helper found for module: MMM-ProfileSwitcher.
Initializing new module helper ...
Module helper loaded: MMM-Podcast
Initializing new module helper ...
Module helper loaded: MMM-DWD-WarnWeather
Initializing new module helper ...
Module helper loaded: MMM-Todoist
Initializing new module helper ...
Module helper loaded: updatenotification
Initializing new module helper ...
Module helper loaded: MMM-FRITZ-Box-Callmonitor
No helper found for module: MMM-Callmonitor-Current-Call.
No helper found for module: clock.
No helper found for module: currentweather.
Initializing new module helper ...
Module helper loaded: calendar
App threw an error during load
Error: The module '/home/pi/MagicMirror/modules/MMM-DHT-Sensor/node_modules/node                                                                                                             -dht-sensor/build/Release/node_dht_sensor.node'
was compiled against a different Node.js version using
NODE_MODULE_VERSION 50. This version of Node.js requires
NODE_MODULE_VERSION 57. Please try re-compiling or re-installing
the module (for instance, using `npm rebuild` or `npm install`).
    at process.module.(anonymous function) [as dlopen] (ELECTRON_ASAR.js:166:20)
    at Object.Module._extensions..node (module.js:671:18)
    at Object.module.(anonymous function) [as .node] (ELECTRON_ASAR.js:166:20)
    at Module.load (module.js:561:32)
    at tryModuleLoad (module.js:504:12)
    at Function.Module._load (module.js:496:3)
    at Module.require (module.js:586:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/MMM-DHT-Sensor/node_help                                                                                                             er.js:11:16)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/MMM-DHT-Sensor/node_help                                                                                                             er.js:42:3)
Whoops! There was an uncaught exception...
Error: The module '/home/pi/MagicMirror/modules/MMM-DHT-Sensor/node_modules/node                                                                                                             -dht-sensor/build/Release/node_dht_sensor.node'
was compiled against a different Node.js version using
NODE_MODULE_VERSION 50. This version of Node.js requires
NODE_MODULE_VERSION 57. Please try re-compiling or re-installing
the module (for instance, using `npm rebuild` or `npm install`).
    at process.module.(anonymous function) [as dlopen] (ELECTRON_ASAR.js:166:20)
    at Object.Module._extensions..node (module.js:671:18)
    at Object.module.(anonymous function) [as .node] (ELECTRON_ASAR.js:166:20)
    at Module.load (module.js:561:32)
    at tryModuleLoad (module.js:504:12)
    at Function.Module._load (module.js:496:3)
    at Module.require (module.js:586:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/MMM-DHT-Sensor/node_help                                                                                                             er.js:11:16)
    at Object.<anonymous> (/home/pi/MagicMirror/modules/MMM-DHT-Sensor/node_help                                                                                                             er.js:42:3)
MagicMirror will not quit, but it might be a good idea to check why this happene                                                                                                             d. Maybe no internet connection?
If you think this really is an issue, please open an issue on GitHub: https://gi                                                                                                             thub.com/MichMich/MagicMirror/issues
Launching application.

After ```
NPM install

Im Modul DHT-Sensor work all fine. Thanks

No one will help me?

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules/ch              okidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@              1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"arm"}              )

> magicmirror@2.5.0 postinstall /home/pi/MagicMirror
> sh installers/postinstall/postinstall.sh && npm run install-fonts

MagicMirror installation successful!

> magicmirror@2.5.0 install-fonts /home/pi/MagicMirror
> cd fonts && npm install

npm WARN postcss-html@0.12.0 requires a peer of postcss-less@>=1.1.0 but none wa              s installed.
npm WARN postcss-html@0.12.0 requires a peer of postcss-scss@>=1.0.0 but none wa              s installed.
npm WARN postcss-html@0.12.0 requires a peer of sugarss@>=1.0.0 but none was ins              talled.
npm WARN stylelint-config-standard@16.0.0 requires a peer of stylelint@^7.8.0 bu              t none was installed.

Afer npm install it comes this warnings

Hello all,
My MagicMirror will not start after update the MagicMirror to v2.5.0.
NPM run config:check said the config.js have no syntax error.
Before the update the magicmirror works fine.

Okay. after npm rebuild the Mirror is still black.