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[Forward rendering] - Failed to compile default material

Hi

I'm having problem with packaging any project in 4.13. After switching to Forward rendering I get:

     [2016.09.25-15.55.05:817][  0]LogWindows:Error: === Critical error: ===
 [2016.09.25-15.55.05:817][  0]LogWindows:Error: 
 [2016.09.25-15.55.05:817][  0]LogWindows:Error: Fatal error: [File:D:\Build\++UE4+Release-4.13+Compile\Sync\Engine\Source\Runtime\Engine\Private\ShaderCompiler\ShaderCompiler.cpp] [Line: 1620] 
 [2016.09.25-15.55.05:817][  0]LogWindows:Error: Failed to compile default material /Engine/EngineMaterials/WorldGridMaterial.WorldGridMaterial!
 [2016.09.25-15.55.05:817][  0]LogWindows:Error: 

If I choose deferred rendering project compiles fine. I was testing default fpp player template both on fresh install of 4.13 (win7 and win10 - the result is the same). If I modify WorldGridMaterial (change it to Unlit) it compiles but exe crashes. The strange thing is on 4.13 RC it worked fine.

Product Version: UE 4.13
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asked Sep 26 '16 at 07:23 AM in Packaging & Deployment

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andy_a
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3 answers: sort voted first

We ran into this issue as well.

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answered Oct 26 '16 at 04:09 PM

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aliasense
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avatar image aliasense Oct 26 '16 at 04:10 PM

Here's a work around to recover a project manually if it is crashing on load: https://answers.unrealengine.com/questions/514198/crash-on-loading-getindirectocclusion.html

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Thank you for submitting a bug report. I have reproduced this issue and logged a report for it here: https://issues.unrealengine.com/issue/UE-36406

You can track the report's status as the issue is reviewed by our development staff.

Cheers,

Ed Burgess

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answered Sep 26 '16 at 03:47 PM

avatar image GranMinigun Dec 02 '17 at 04:45 PM

The problem is still (or again) presented in 4.18.1. I cannot check if it's hardware dependent, but just in case - I'm using i5-7400 and don't have a dedicated GPU. UPD: Ah, got it. That's because of targeting OGL3. Of course. No SM4.

avatar image Antidamage Mar 13 '18 at 01:39 AM

Yep still present here while using Forward Rendering and trying to cook content on Windows.

 UATHelper: Cooking (Windows):   LogShaderCompilers: Warning: 0 Shader compiler errors compiling WorldGridMaterial for platform GLSL_150:
 UATHelper: Cooking (Windows):   LogShaderCompilers: Warning:   (): shader uses 18 samplers exceeding the limit of 16
 UATHelper: Cooking (Windows):   LogShaderCompilers: Warning:   (): shader uses 17 samplers exceeding the limit of 16
 UATHelper: Cooking (Windows):   LogShaderCompilers: Warning:   (): shader uses 19 samplers exceeding the limit of 16
 UATHelper: Cooking (Windows):   LogWindows: Error: begin: stack for UAT
 UATHelper: Cooking (Windows):   LogWindows: Error: === Critical error: ===
 UATHelper: Cooking (Windows):   LogWindows: Error:
 UATHelper: Cooking (Windows):   LogWindows: Error: Fatal error: [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Engine\Private\ShaderCompiler\ShaderCompiler.cpp] [Line: 1827]

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I had this problem and migrated the level to a new project using unreal vr template and then it worked.

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answered May 02 '18 at 05:00 PM

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dfssghfg
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