Expression (!IsInRenderingThread()) failed in LandscapeRenderMobile.cpp

Development Rendering
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1

Hi,
Persistent error in both Safari and Firefox in a HTLM 5 launched project.
Output Log Warnings :

LogMetal: Warning: Reallocating ring-buffer from 1048576 to 1310720 to avoid wrapping write at offset 788736 into outstanding buffer region 788528 at frame 10]
LogMetal: Warning: Reallocating ring-buffer from 1310720 to 1638400 to avoid wrapping write at offset 198144 into outstanding buffer region 198012 at frame 12]
LogMetal: Warning: Reallocating ring-buffer from 1228800 to 1536000 to avoid wrapping write at offset 395264 into outstanding buffer region 395120 at frame 120]
LogMaterial: Warning: Failed to compile Material /Game/WaterPlane/Translucent/Materials/M_TranslucentWater.M_TranslucentWater for platform GLSL_ES2_WEBGL, Default Material will be used in game.
LogMaterial: Warning:     (Node SceneTexture) Node not supported in feature level ES2. SM4 required.
LogMetal: Warning: Reallocating ring-buffer from 1152000 to 1440000 to avoid wrapping write at offset 1121280 into outstanding buffer region 1121148 at frame 460]
LogMaterial: Warning: Failed to compile Material /Game/WaterPlane/Translucent/Materials/M_TranslucentWater.M_TranslucentWater for platform GLSL_ES2_WEBGL, Default Material will be used in game.
LogMaterial: Warning:     (Node SceneTexture) Node not supported in feature level ES2. SM4 required.
LogMetal: Warning: Reallocating ring-buffer from 1080064 to 1350080 to avoid wrapping write at offset 186368 into outstanding buffer region 186236 at frame 1360]
LogSlate: Warning: Prevented a slow task dialog from being summoned while a context menu was open

That’s it !

2

Is it pure blueprint or C++ project? Do you use landscapes? if yes how?

3

Did you find anything that caused the crash?
My Engine Build can not work at all:(

4

@anonymous_user_f5a50610 : it’s pure blueprint, with a landscape made in UE4 (not imported, from scratch with a home made layered landscape texture) as it’s in the basic landscape tutorials from Unreal website Documentation. Nothing more. But I agree with you : I made a blank project with “no starter content” and only a landscape, basic light and layer texture, compiled in html5 : same problem. Nothing work’s.