You are using OData API to upsert TemporaryTimeInformation and receive the error:
You cannot edit temporary time information objects with the OData API because the feature Enable Advanced Time Management is not switched on in your system. Please contact support.
Reproducing the Issue
Use Postman to upsert following information
It is currently not possible to edit the temporary time information using OData API.
This functionality will be delivered in b2005 release. We would kindly ask that you wait until b2005 release to perform such upserts in the system.
TemporaryTimeInformation, OData API, Enable Advanced Time Management , KBA , LOD-SF-INT-ODATA , OData API Framework , LOD-SF-EC-TIM , Time Off , Known Error