only the verbose logs of the sync could help now
Understood, I will try.
After updating to DAVx5 3.0 I found this small glitch which need to be fixed:
I know. This has already been reported here: https://github.com/mikepenz/AboutLibraries/issues/490 (see first screenshot) and will hopefully be fixed in AboutLibraries/brotli. Maybe someone can help with this