Z 5 z 5 gwězdkow pógódnośony

wót Mars Mellow dnja Jan. 15, 2019 · trajny wótkaz

If you're using nexcloud/owncloud, it'll be a bit hard to set up, but you can do it. Refer to this Github Issue:

https://github.com/jobisoft/DAV-4-TbSync/issues/41

Once you get that out of the way, it should work, as it did for me.