SUMMARY Every time when I start to write a new mail an overlay with an error message appears. The rest seems to work as usual. STEPS TO REPRODUCE 1. Open the window to write a new mail OBSERVED RESULT A popup with the message "An error occurred attempting to load the list of available languages: Error transferring https://languagetool.org/api/v2/languages - server replied: Forbidden" appears. EXPECTED RESULT No error message is shown and the languages are fetched correctly. SOFTWARE/OS VERSIONS Operating System: Kubuntu 20.04 KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 ADDITIONAL INFORMATION This site https://languagetool.org/http-api/swagger-ui/#!/default/get_languages suggests that the api uri to fetch the languages is https://api.languagetoolplus.com/v2/languages
*** This bug has been marked as a duplicate of bug 439205 ***