【Help me】Saving a level with a different name breaks all actor bindings in the sequencer!

I was working on importing scenes with 3dsmax animations using datasumith.
I’m working as a beginner, looking at the manual.

Data crashed suddenly when I was working.
Since the binding of the actor of the sequencer is broken, I manually bound and saved over.

After working on it and saving it under another name, the sequencer was out of bound.
Only the data saved separately is abnormal, the overwritten data is not a problem.

Please tell me the solution.

Try Fix Actor References which is under the general toolbar button in sequencer. That should fix the bindings by rebounding based on actor labels in the level.