Sequence Editor Crashes

Hi, having some issues with the UE4 Sequence editor. We’ve deleted an actor blueprint that was being referenced by the sequence, now every time we open it, the sequence crashes and closes the entire program. We tried replacing the missing assets but no luck. We’ve since been through and deleted all traces of the meshes, blueprints and other assets relevant, same issue.

Any advice on how we can remove the the BP from being referred to in the sequence, without opening the sequencer itself?

Sequencer should not crash editor when losing references. May be there is other reason of crashes. You may open this sequencer with blank level.