Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track.
The callstack references FSequencer::Tick().
I was not able to reproduce this issue in UE4/Main at CL 3496309.
It is therefore marked as a Regression.
Editor crashes with an Access Violation error referencing FSquencer::Tick()
The Widget BP is deleted without errors or warnings
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-46206 in the post.