SUMMARY I have installed Kontact with flathub. When it start the message appears "Le service des informations personnels n'est pas opérationnel". Ir's seem to be a message from akoandi. On the terminal, it writes the messags below Gtk-Message: 22:01:18.177: Failed to load module "canberra-gtk-module" Gtk-Message: 22:01:18.177: Failed to load module "canberra-gtk-module" Qt: Session management error: None of the authentication protocols specified are supported Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString) org.kde.pim.akonadiserver: Starting up the Akonadi Server... Cannot mix incompatible Qt library (version 0x50c03) with this library (version 0x50c07) org.kde.pim.akonadicontrol: ProcessControl: Application "/app/bin/akonadiserver" stopped unexpectedly ( "Process crashed" ) org.kde.pim.akonadicontrol: Application '/app/bin/akonadiserver' crashed! 1 restarts left. org.kde.pim.akonadiserver: Starting up the Akonadi Server... Cannot mix incompatible Qt library (version 0x50c03) with this library (version 0x50c07) org.kde.pim.akonadicontrol: ProcessControl: Application "/app/bin/akonadiserver" stopped unexpectedly ( "Process crashed" ) org.kde.pim.akonadicontrol: Application '/app/bin/akonadiserver' crashed! 0 restarts left. org.kde.pim.akonadiserver: Starting up the Akonadi Server... Cannot mix incompatible Qt library (version 0x50c03) with this library (version 0x50c07) org.kde.pim.akonadicontrol: ProcessControl: Application "/app/bin/akonadiserver" stopped unexpectedly ( "Process crashed" ) org.kde.pim.akonadicontrol: Application '/app/bin/akonadiserver' crashed too often. Giving up! Gtk-Message: 22:01:28.865: Failed to load module "canberra-gtk-module" Gtk-Message: 22:01:28.865: Failed to load module "canberra-gtk-module" Qt: Session management error: None of the authentication protocols specified are supported STEPS TO REPRODUCE 1. 2. 3. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION