Org.kde.pim.akonadiserver: process error: "Unknown error"

[philm]

If you search the Internet you’re not alone:

https://askubuntu.com/questions/1407756/akonadi-on-kde-cant-start-due-to-unknown-error-and-i-cant-update-mariadb

KMail and KOrganiser issue after last update

could also try: delete /home/<your home name>/.local/share/akonadi/mysql.conf

https://bugs.kde.org/show_bug.cgi?id=454948#c9

Hope that might solve your issue … A proper fix is expected in akonadi 22.04.3 release regarding the MariaDB issue you may have.

touch $HOME/.local/share/akonadi/db_data/ib_logfile0

See also: Fix crash when upgrading mariadb to 10.8 · archlinux/svntogit-packages@df08235 · GitHub