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A New Chapter for MagicMirror: The Community Takes the Lead
Read the statement by Michael Teeuw here.

Electron error? js error? Javascrpt error?

Scheduled Pinned Locked Moved Solved Troubleshooting
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  • D Offline
    Dayzwell
    last edited by 24 days ago

    Hi i’m training to run MM on a raspberry pi, this is my first trying something like this and seeing this much code, when i tried npm run start i get all of this errors, tried to update things and its giving me the same error, should I just tried a fresh install? thanks for the help guys.

    dayzwell@raspberrypi:~/MagicMirror $ npm run start

    magicmirror@2.31.0 start
    npm run start:x11

    magicmirror@2.31.0 start:x11
    DISPLAY=“${DISPLAY:=:0}” ./node_modules/.bin/electron js/electron.js

    [2025-06-16 12:46:38.249] [ERROR] App threw an error during load
    [2025-06-16 12:46:38.259] [ERROR] ReferenceError: ReadableStream is not defined
    at Object. (/home/dayzwell/MagicMirror/node_modules/undici/lib/web/fetch/webidl.js:471:58)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Module._extensions…js (node:internal/modules/cjs/loader:1196:10)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at f._load (node:electron/js2c/asar_bundle:2:13377)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object. (/home/dayzwell/MagicMirror/node_modules/undici/lib/web/fetch/util.js:12:20)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Module._extensions…js (node:internal/modules/cjs/loader:1196:10)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at f._load (node:electron/js2c/asar_bundle:2:13377)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    A JavaScript error occurred in the main process
    Uncaught Exception:
    ReferenceError: ReadableStream is not defined
    at Object. (/home/dayzwell/MagicMirror/node_modules/undici/lib/web/fetch/webidl.js:471:58)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Module._extensions…js (node:internal/modules/cjs/loader:1196:10)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at f._load (node:electron/js2c/asar_bundle:2:13377)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object. (/home/dayzwell/MagicMirror/node_modules/undici/lib/web/fetch/util.js:12:20)
    at Module._compile (node:internal/modules/cjs/loader:1141:14)
    at Module._extensions…js (node:internal/modules/cjs/loader:1196:10)
    at Module.load (node:internal/modules/cjs/loader:1011:32)
    at Module._load (node:internal/modules/cjs/loader:846:12)
    at f._load (node:electron/js2c/asar_bundle:2:13377)
    at Module.require (node:internal/modules/cjs/loader:1035:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    MESA-LOADER: failed to retrieve device information
    MESA-LOADER: failed to retrieve device information
    MESA-LOADER: failed to retrieve device information
    os_same_file_description couldn’t determine if two DRM fds reference the same file description. (Function not implemented)
    Let’s just assume that file descriptors for the same file probablyshare the file description instead. This may cause problems whenthat isn’t the case.
    [4820:0616/114639.047070:ERROR:gbm_wrapper.cc(255)] Failed to export buffer to dma_buf: No such file or directory (2)

    S 1 Reply Last reply 24 days ago Reply Quote 0
    • S Away
      sdetweil @Dayzwell
      last edited by sdetweil 23 days ago 23 days ago

      @Dayzwell I see his instructions left out a step.
      I opened this issue https://github.com/xadamxk/MMM-LOLESPORTS-SCHEDULES/issues/8

      he has updated the instructions

      Sam

      How to add modules

      learning how to use browser developers window for css changes

      D 1 Reply Last reply 22 days ago Reply Quote 1
      • S Away
        sdetweil @Dayzwell
        last edited by 24 days ago

        @Dayzwell can you tell us what you did to setup and install MagicMirror. what system and OS this is

        Sam

        How to add modules

        learning how to use browser developers window for css changes

        D 1 Reply Last reply 24 days ago Reply Quote 0
        • D Offline
          Dayzwell @sdetweil
          last edited by 24 days ago

          @sdetweil Im using a raspberry 3 using Raspberry Pi OS, I install and update the MM and it work until i tried to install this module https://github.com/xadamxk/MMM-LOLESPORTS-SCHEDULES update electron and everething I could find and now its giving me those errors

          S 2 Replies Last reply 24 days ago Reply Quote 0
          • S Away
            sdetweil @Dayzwell
            last edited by sdetweil 23 days ago 24 days ago

            @Dayzwell ok, so lets start over a little

            for that module in config.js add

            disabled:true,
            

            after its module: line

            and then do

            cd ~/MagicMirror 
            git checkout package.json
            rm -rf node_modules
            npm run install-mm 
            

            then try

            npm start
            

            Sam

            How to add modules

            learning how to use browser developers window for css changes

            1 Reply Last reply Reply Quote 1
            • S Away
              sdetweil @Dayzwell
              last edited by sdetweil 23 days ago 23 days ago

              @Dayzwell I see his instructions left out a step.
              I opened this issue https://github.com/xadamxk/MMM-LOLESPORTS-SCHEDULES/issues/8

              he has updated the instructions

              Sam

              How to add modules

              learning how to use browser developers window for css changes

              D 1 Reply Last reply 22 days ago Reply Quote 1
              • D Offline
                Dayzwell @sdetweil
                last edited by 22 days ago

                @sdetweil thak you it works now :)

                S 1 Reply Last reply 22 days ago Reply Quote 0
                • S Away
                  sdetweil @Dayzwell
                  last edited by 22 days ago

                  @Dayzwell awesome!!

                  Sam

                  How to add modules

                  learning how to use browser developers window for css changes

                  1 Reply Last reply Reply Quote 0
                  • S sdetweil has marked this topic as solved 22 days ago
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