Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression.
A large amount of warnings are generated upon investigating project log. Here's a small excerpt:
Actual Result: Editor stalls indefinitely, requires force quitting.
Expected Result: Other map opens without issues.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-173275 in the post.