Hi there, I see that you are running a simulation with a brand new mesh now, so let me know how this goes - I can not inspect the previous results, as the mesh is now changed-.
However I noticed that some steps described in the following page under the AMI section were left out: Rotating Zones | Advanced Concepts | SimScale
Specifically, you should set a new cell zone, as described in this forum post as well:
Also, always use these guides when divergence occurs:
Best regards,
Fillia