I ran into this same issue. What I did was accessing the calendars collections from thunderbird. It seems that it occurs when things get 'busy' for lack of a better word.
The problem dissapears when access to the database get less again.
It is reproduceable on our end reliably by doing a 'sync remote calendars' with 3 or more calendars defined in thunderbird.
I ran into this same issue. What I did was accessing the calendars collections from thunderbird. It seems that it occurs when things get 'busy' for lack of a better word.
The problem dissapears when access to the database get less again.
It is reproduceable on our end reliably by doing a 'sync remote calendars' with 3 or more calendars defined in thunderbird.