https://techcommunity.microsoft.com/discussions/sharepoint_general/sharepoint-worklows-using-appstep-stopped-working/173446
Sharepoint Worklows using APPSTEP stopped working | Microsoft Community Hub
Hey. We've had several workflows using the APPSTEP action. Some have been running for years now without any hitch. But starting 17 March 2018,...
microsoft communitysharepointusingstoppedworking