Issue Summary

When team calendar is synced with DAVX5 app on android device, all events are not syncing. 

Steps to Reproduce

1. Subscribe a team calendar on deavx5 app
2. enable the calendar on android google calendar 
3. First sync shows all the events
4. but gradually events that were synced are gone missing and they do not sync again.

Expected Results

Al events should sync at regular intervals 

Actual Results

Even sync discrepancy, not particular pattern randoms events do not get synced. 

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available