UE5.3 Crashes

Hi!

I am attempting to create a large world that spans 16x16 tiles using UE5 on my Mac Studio M1 Max. This machine runs Mac Os Sonoma, and has 32GB of RAM and plenty of SSD storage space. I have successfully created a landscape material that blends two textures for testing purposes. Everything was working exceptionally well. However, I encountered a problem when exiting UE5 after saving my project. The project crashed and subsequent attempts to reopen it failed. Specifically, I was able to access the project loading window. Still, when I clicked on my project, it stalled exactly at the shader compiling phase (around 35% of the progress bar) and ultimately forced it to quit itself after halting on the last 25 shaders. That’s not the first time it has happened to me. Did something similar on 5.1 but the project got stuck like this, again. I aim to use this engine and port a game I made from Unity to it, but those unexpected crashes are frustrating. At least I want to change the default level. Maybe that way I can continue my work.

Are you sure it crashed or was it just compiling the shaders for a long time?
Try verifying your engine files through the epic launcher.

if you suspect something got corrupted you can try deleting the folders

  • Intermediate
  • DerivedDataCache => this is where the shaders are stored.
    This will force the recompile of the shaders.

Did as you instructed. Still no joy.

It just keeps crashing at 35% progress, lasting only 25 shaders to go…

Well, I solved it.

I moved the Config folder out of the project folder. Drastic, but everything worked fine so far after trying to open the project again.

Thanks for your help, @3dRaven. Without it, I would not have had a clue about what to do. However, I believe we haven’t yet found the real cause of the corruption but I think this will do for now.

I’ll do a diff to both new and old .ini files from the Config folders to check what went wrong and post my findings here for more clarification.

Meanwhile, I think I can continue my project. I hope this won’t happen again.

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