Steps to reproduce:
Download and try opening the project.

Actual result:
The Editor crashes.

Expected result:
The project should be opened and the Editor should not crash.

Reproduced with:
5.3.5f1, 5.3.5p8, 5.5.0a3.

Cannot reproduce with:
5.1.5f1, 5.2.5f1, 5.4.0b25, 5.4.0f1.

Note:
The user figured out that the issue is caused by "UpdateDisplay()" method. Removing the call to "UpdateDisplay()" method solves the problem. For more information please read the email that was sent by the user.