Error log show a lot of errors that seems rerlated example:!MESSAGE The item [InboxItem{itemType=WORKFLOW, itemId=WorkflowId{dataLocationName=RDM, applicationName=DevoteamRDM, loadId=2661}, itemDate=Fri Jan 08 10:53:28 UTC 2021}] seems invalid. It is removed from the items representation (Message reported by logger com.semarchy.mdm.dataui.restapi.inbox.InboxController, current authenticated user: 'jean-christophe.blanchard@devoteam.com') Thanks for your answer.

Hi Jean-Christophe

Please take a look at this community article on 'Removing invalid tasks from the Inbox'

Regards, Peter