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The appdata folder mentioned is in C:\Users\Username, need to toggle hidden folders to show. Search that .upipelinecache too.
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Hi Guys i could fix the issue when I added these two console variables at the default ini.
r.ShaderPipelineCache.Enabled=0
r.ShaderPipelineCache.StartupMode=0
chat gpt to the rescue!!!
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Someone said in another forum that this problem is caused by Intel 13th and 14th issues…is that true? I have i9 13900k and getting same error after launch compiled game in UE 5.5.1.
but for some reason, if I ignore the message I can continue to play normally…
Nope. AMD 3950x over here.
I can continue “playing” too, but only for some seconds.
I had turned on megalights and started getting this problem. Disabling megalights in the Project Settings and unchecking the megalights box in the individual lights in the scene didn’t completely disable it. What seemed to fix it for me was adding “r.MegaLights.Allowed=0” to the DefaultEngine.ini.
Adding “r.ShaderPipelineCache.Enabled=0
r.ShaderPipelineCache.StartupMode=0” to DefaultEngine.ini and deleting %localappdata%\<ProjectName>\Saved\<ProjectName>_PCD3D_SM6.upipelinecache worked for me as well. Just adding feedback. Thanks!
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Hi! I have updated to version 5.5.1, but the issue still persists,too.
thanks! works for me too.
r.ShaderPipelineCache.SaveUserCache=0, as one user already said, seems to be enough. No need to use more cvars.
indeed solves the issue. thank you.
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