I have a similar problem!
I installed Seafile from the extensions and the installation crashed!
[2023-12-20 19:57:48.455] 86797:658338653f173 ERR [extension/seafile] Error executing: ;'systemctl' 'start' 'seahub@8001''
[2023-12-20 19:57:48.455] 86797:658338653f173 ERR [extension/seafile]...