Random calendars

[jmpalomares]

After deployed I could see events in mac calendar from Kopano. But Kdav starts creating weird random calendars on its own. Even calendars that are not in Kopano Calendar:

10.97.150.37 - - [30/Nov/2021:09:56:16 +0000] "MKCALENDAR /kdav/calendars/user1/370C0949-B7D7-4E86-9402-9BA4ED79D159/ HTTP/1.1" 201 0
10.97.150.37 - - [30/Nov/2021:09:56:20 +0000] "MKCALENDAR /kdav/calendars/user1/1A15AE10-01B8-4748-A2CB-8E1BCD909DB6/ HTTP/1.1" 201 0
10.97.150.37 - - [30/Nov/2021:10:05:55 +0000] "MKCALENDAR /kdav/calendars/user1/D8D2BCC8-B903-4C3D-BFED-E4F77B86AAE2/ HTTP/1.1" 201 0
10.97.150.37 - - [30/Nov/2021:10:08:05 +0000] "MKCALENDAR /kdav/calendars/user1/981959DA-9ED8-4A29-A6A7-BDE6562EF7BC/ HTTP/1.1" 201 0

Also I found issues of events not being showed in mac calendar.

Also synchronisation is not working fine.

I see these errors in the logs:

30.11.2021 13:14:12 [ 5483] [ERROR]  dav KopanoDavBackend->Sync(): Unable to get value from token: 0000000000 - folderId: principals/user1:f7758d40f8f24f568ae2382ce4232d1f480200000000 - /usr/share/kopano-kdav/lib/KopanoCardDavBackend.php:375
30.11.2021 13:14:13 [ 5395] [ERROR]  dav KopanoDavBackend->Sync(): Unable to get value from token: 0000000000 - folderId: principals/user1:f7758d40f8f24f568ae2382ce4232d1f520200000000 - /usr/share/kopano-kdav/lib/KopanoCardDavBackend.php:375
30.11.2021 13:16:12 [ 5295] [ERROR]  dav KopanoDavBackend->Sync(): Unable to get value from token: 0000000000 - folderId: principals/user1:f7758d40f8f24f568ae2382ce4232d1f480200000000 - /usr/share/kopano-kdav/lib/KopanoCardDavBackend.php:375
30.11.2021 13:16:13 [ 5275] [ERROR]  dav KopanoDavBackend->Sync(): Unable to get value from token: 0000000000 - folderId: principals/user2:f7758d40f8f24f568ae2382ce4232d1f520200000000 - /usr/share/kopano-kdav/lib/KopanoCardDavBackend.php:375

I tried to manually refresh or refresh calendar every minute. It does not work.
I have to remove the account from Mac calendar and add it again in order to get the latest events.