### Before filing a report

_Before you file a report, please ensure you are running the latest version of OpenProject and_ 
_have searched for similar bug reports._

### Steps to reproduce

_Please write down the steps to reproduce. Try to write down all necessary preconditions (what permissions do you have, are other users involved?). Example:_

1. Create a meeting series and start adding template participants

2. Finish the Begin of the insertiontemplate, you will receive an invitation to the meeting

3. Update the schedule, so that your calendar entry should changeEnd of the insertion Begin of the deletion templateEnd of the deletion


### What is the buggy behavior?

_Please describe the bug in as much detail as possible. Example:_

* Users Begin of the deletion areEnd of the deletion never Begin of the insertionreceive a notification for the updated scheduleEnd of the insertion Begin of the deletion invited to that seriesEnd of the deletion


### What is the expected behavior?

_Describe how the application should behave like. Example:_

1. Users should receive Begin of the insertiona rescheduled information,End of the insertion Begin of the deletion an invitation,End of the deletion similar to one-time meetings