my problem has vanished. I have reinstalled the module and did

npm install

twice, now it is working.

I have the same problem:
no recent calls with “unknown error” in brackets like Photon2000, when I do
python fritz_access.py -p pwd -u user -i 192.168.2.1 (the IP of my fritz.box) I get:

Traceback (most recent call last):
File “fritz_access.py”, line 77, in
main(args)
File “fritz_access.py”, line 63, in main
handle.download_phone_book()
File “fritz_access.py”, line 22, in download_phone_book
result = self.fc.call_action(“X_AVM-DE_OnTel”, “GetPhonebookList”)
File “/usr/local/lib/python2.7/dist-packages/fritzconnection/fritzconnection.py”, line 406, in call_action
return action.execute(**kwargs)
File “/usr/local/lib/python2.7/dist-packages/fritzconnection/fritzconnection.py”, line 130, in execute
result = self.parse_response(response.content)
File “/usr/local/lib/python2.7/dist-packages/fritzconnection/fritzconnection.py”, line 142, in parse_response
root = etree.fromstring(response)
File “src/lxml/lxml.etree.pyx”, line 3213, in lxml.etree.fromstring (src/lxml/lxml.etree.c:79010)
File “src/lxml/parser.pxi”, line 1848, in lxml.etree._parseMemoryDocument (src/lxml/lxml.etree.c:118341)
File “src/lxml/parser.pxi”, line 1736, in lxml.etree._parseDoc (src/lxml/lxml.etree.c:117021)
File “src/lxml/parser.pxi”, line 1102, in lxml.etree._BaseParser._parseDoc (src/lxml/lxml.etree.c:111265)
File “src/lxml/parser.pxi”, line 595, in lxml.etree._ParserContext._handleParseResultDoc (src/lxml/lxml.etree.c:105109)
File “src/lxml/parser.pxi”, line 706, in lxml.etree._handleParseResult (src/lxml/lxml.etree.c:106817)
File “src/lxml/parser.pxi”, line 635, in lxml.etree._raiseParseError (src/lxml/lxml.etree.c:105671)
File “”, line 1
lxml.etree.XMLSyntaxError: Opening and ending tag mismatch: HR line 1 and BODY, line 1, column 146

Any chance this can be fixed?
I allready tried all of the above…