Shader Error when building project.

[atracktiv]

Hi,

I'm using URP with OBI Rope, but I'm getting the well know Shader errors.
What could it be ?

See screenshot : http://tools.quadbyte.net/snap/Unity_sYu1pmaPFZ.png

Thanks in advance for your precious help.

Code:

Shader error in 'Obi/URP/Particles': Couldn't open include file 'Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl'. at Assets/Obi/Resources/ObiMaterials/URP/ObiLightingURP.cginc(3)


Shader error in 'Obi/URP/Simple Particles': Couldn't open include file 'Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl'. at Assets/Obi/Resources/ObiMaterials/URP/ObiLightingURP.cginc(3)