Error in getSystemL10n: Cannot read properties of undefined (reading 'replace')

[neferin12]

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Steps to reproduce

1. Run the executable in the zip archive (on Arch Linux)

Expected behaviour

App should open and I should be able to login

Actual behaviour

The window that opens only shows the background:

If I start it from the terminal the following error is printed:

Error occurred in handler for 'app:getSystemL10n': TypeError: Cannot read properties of undefined (reading 'replace')
    at /opt/nextcloud-talk-desktop/resources/app.asar/.webpack/main/index.js:2:601388
    at WebContents.<anonymous> (node:electron/js2c/browser_init:2:87037)
    at WebContents.emit (node:events:518:28)

Diagnosis and logs

Diagnosis report

Not possible since I can't interact with the application

Client logs

Console tab.

Uncaught (in promise) Error: Error invoking remote method 'app:getSystemL10n': TypeError: Cannot read properties of undefined (reading 'replace')

[ShGKme]

If you have Python 3, could you show the output of

python3 -c "import locale; print(locale.getdefaultlocale())"

This should show the default language preferences.

[neferin12]

This is the output I get:

<string>:1: DeprecationWarning: 'locale.getdefaultlocale' is deprecated and slated for removal in Python 3.15. Use setlocale(), getencoding() and getlocale() instead.
('en_US', 'UTF-8')

[ShGKme]

('en_US', 'UTF-8')

Looks fine...

[neferin12]

I tried some things and after changing my Language in the KDE Settings from C to American English and running locale-gen it now works.

[ShGKme]

I tried some things and after changing my Language in the KDE Settings from C to American English and running locale-gen it now works.

Thanks, now it's clear