How to solve problem "Failed to acquire slot locks:"


In addition to my previous question:

I created new Blueprints (Almanac Host and Workng Copy) but used old Almanac Service. After creating new revision in Defferential, Blueprint attempting to activate host but it fail with message Slot Lock Failure Failed to acquire slot locks:

How to solve this problem?


Problem was “solved” when I create all from scratch. How I can remove unnecessary Devices, Services and Blueprints?