(CRITICAL) UEFN Crashing When Validating Project/Launching UEFN

Summary

When I try to launch a session, it crashes while validating. I’m rarely able to fully enter a session, and when I do, trying to push changes or make a private version causes it to validate again, which ends up crashing the editor. The Fortnite launcher works fine, but this issue prevents me from testing or publishing my map. It only happens with this specific project, and I’m not the only one affected by it. Its also been going for on 4-5 days and i have tried everything to troubleshoot it.

Crash report below:

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff

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ntdll

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Matchmaking

Steps to Reproduce

Likely cannot be reproduced with a new project

Expected Result

Open that specific project, launch session, and then it validating successfully to then load into the session

Observed Result

1.Launch UEFN
2.Open that specific project

3.Launch session
4.Crash

Platform(s)

PC

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