An error occured: UnicodeDecodeError: 'charmap' codec can't decode byte 0x98 in position 64: character maps to <undefined>

[sergeyhatunzev]

1 "Launching the web interface http://127.0.0.1:8080"
2 "Attaching a file (in my case, it was a PDF)"
3 "Writing a message"
4 "Getting an error"
An error occured: UnicodeDecodeError: 'charmap' codec can't decode byte 0x98 in position 64: character maps to
СП54.13330.2022-1.pdf

[hlohaus]

Hello @sergeyhatunzev
I can upload this PDF in the Demo.
Try to update the PDF package:

pip install -U pypdf2

[github-actions]

Bumping this issue because it has been open for 7 days with no activity. Closing automatically in 7 days unless it becomes active again.