List Process Run Workitems

I am using the keyword “List Process Run Workitems” to access the workitems for a specific process. By default it is using the API endpoint in the eu1 region. While providing the API Endpoint eu2 region seems to work for me but when i try with eu1 region its not authorising me. Is there any way to resolve this??

HTTPError: 403 Client Error: Forbidden for url:

I’ve edited the endpoint. But while running the robot I’ve filled in the workspace ID and process ID.