400 REST API error when trying to advance a workitem
I'm testing the REST API to advance a case on the Bizagi Help Desk example process.
The authentication is performed using the Oauth2 credentials obtained for a Help Desk Agent stakeholder. This user can successfully
Example of JSON sent is attached. The following error is received when POSTing to /odata/data/cases(451)/workitems(1508)/next
"message": "Forbidden 'Ticket.TicketActivities' Fields were sent. "
The value of the Activity entity for "Report Activity" label is obtained from
where the Activity entity id is obtained from /odata/data/cases(451)/workitems(1506)/relatedEntities
What could be missing or incorrect?
I've also tried adding all the other columns in the Ticket.TicketActivities collection, but the same error is returned.