Ohodnoceno 2 z 5 hvězdiček

Thunderbird 78.5.0 64-bit
When I click the toolbar button on a spam mail I get this response:
https://i.imgur.com/PIRwBBY.png
The credentials are correct, I can login with them on the website https://signalants.signal-spam.fr/login
Checking for the history at https://signalants.signal-spam.fr/reportings I see that no report was transmitted since Nov 5, 2020.

Tato recenze je pro předchozí verzi doplňku (4.0.4). 

And what is displayed in the extension settings (options) page?
Credentials are correct there also?