I created an new calendar entry on the smartphone and also an new calendar entry in hubzilla calendar before DAVx5 synchronized the calendar, but since that the synchronization with my hubzilla fails. Here the output of the error. It seems, that the response is wrong:
EXCEPTION:
at.bitfire.dav4jvm.exception.DavException: Expected 207 Multi-Status, got 200
at at.bitfire.dav4jvm.DavResource.assertMultiStatus(DavResource.kt:404)
at at.bitfire.dav4jvm.DavResource.processMultiStatus(DavResource.kt:433)
at at.bitfire.dav4jvm.DavResource.propfind(DavResource.kt:325)
at at.bitfire.davdroid.syncadapter.ContactsSyncManager$queryCapabilities$1.invoke(ContactsSyncManager.kt:127)
at at.bitfire.davdroid.syncadapter.ContactsSyncManager$queryCapabilities$1.invoke(ContactsSyncManager.kt:75)
at at.bitfire.davdroid.syncadapter.SyncManager.useRemote(SyncManager.kt:809)
at at.bitfire.davdroid.syncadapter.SyncManager.useRemoteCollection(SyncManager.kt:830)
at at.bitfire.davdroid.syncadapter.ContactsSyncManager.queryCapabilities(ContactsSyncManager.kt:125)
at at.bitfire.davdroid.syncadapter.SyncManager$performSync$1.invoke(SyncManager.kt:121)
at at.bitfire.davdroid.syncadapter.SyncManager$performSync$1.invoke(SyncManager.kt:53)
at at.bitfire.davdroid.syncadapter.SyncManager.unwrapExceptions(SyncManager.kt:835)
at at.bitfire.davdroid.syncadapter.SyncManager.performSync(SyncManager.kt:112)
at at.bitfire.davdroid.syncadapter.ContactsSyncAdapterService$ContactsSyncAdapter.sync(ContactsSyncAdapterService.kt:64)
at at.bitfire.davdroid.syncadapter.SyncAdapterService$SyncAdapter.onPerformSync(SyncAdapterService.kt:73)
at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:334)
SOFTWARE INFORMATION
* at.bitfire.davdroid 2.5-ose (288) from com.google.android.packageinstaller
* com.android.providers.contacts 9 (28)
* com.android.providers.calendar 10.0.3.0 (10000300)
* com.android.contacts 10.4.3.1 (100)
* com.google.android.calendar 6.0.44-261313226-release (2016267978) from com.android.vending
* ws.xsoh.etar 1.0.17 (19) from com.android.vending