Property Calculator - Set Workflow State

Dear community

I use the property calculator to set a workflow and a workflow state for an object "project", created by an external CRM system by an REST API call.

Since the used interface is not able to set workflow and workflow state, I tried to set those two properties with the property calculator.

I was able to set the workflow itself, but not the state. There is always an error in the windows event log which says that the workflow state not be changed after finalization or something like that.

Does anybody have an idea how a workflow state can be set with m-files tools?

My config for setting the workflow state:

Thanks in advance for any hint how to suceed...