Stuck at Session loading while Launching session and Fortnite Crashes After New Update on March 25, 2025

Summary

Stuck at Session Loading when Try to Launch session, And fortnite also stuck in loading screen and crashes after some time. Its happening after the new update(34.20)

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

  1. Open the project in UEFN.
  2. Click on “Launch Session.”
  3. Fortnite opens but remains stuck on the loading screen for an extended period.
  4. Eventually, the game crashes. (Issue occurs consistently across multiple systems.)

Expected Result

The session should successfully load into Fortnite, allowing the user to test and play the map.

Observed Result

Fortnite remains stuck on the loading screen and then crashes after some time.

Platform(s)

windows

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Additional Notes

I’m working on this project for last 3 months and I never had this issue before, Its only happing since the new update dropped
The issue has been tested on different systems, confirming that it is not hardware-specific.

Hi @Srioz - please follow this thread for updates. I’ll close this one to avoid a duplicate ticket.

Can’t load into UEFN level after update 34.20