Furthermore, console messages when starting it from console show this possible corruption issue.
akonadiconsole ✔
Path override failed for key base::DIR_APP_DICTIONARIES and path '/usr/bin/qtwebengine_dictionaries'
Path override failed for key base::DIR_APP_DICTIONARIES and path '/usr/lib/qt6/qtwebengine_dictionaries'
Path override failed for key base::DIR_APP_DICTIONARIES and path '/usr/lib/qt6/qtwebengine_dictionaries'
Please register the custom scheme 'cid' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
org.kde.pim.akonadi_search_xapian: Xapian Database corrupted at "/home/damian/.local/share/akonadi/search_db/email/"
stores 4
qt.gui.imageio: libpng warning: iCCP: CRC error
zsh: killed akonadiconsole