Hello, I have added some changes (new table) to my datamart on Friday and left it to run until it completed. Once I came back the I had the triangle next to my Datamart and this message: ...
I have raised a ticket with MS Support in order to revert the change to the previous working version of the Datamart, but I still did not get a solid response.
Unfortunately for me the route was to rebuild the Datamart in Dataflows and wait for it to be stable before using it for anything.