Trying to add river to level (VR Template), keeps crashing.

When trying to add in a Water Body River (I have all 4 plugins installed and it is on a VR template on UE 5.4.4), the application crashes and I get this message:

Fatal error: [File:D:\build++UE5\Sync\Engine\Source\Runtime\RHICore\Private\RHICoreShader.cpp] [Line: 37] Shader requested a global uniform buffer of type ‘OpaqueBasePass’ at static slot ‘[Name: SceneTextures, Slot: 9]’, but it was null. The uniform buffer should be bound using RHICmdList.SetStaticUniformBuffers() or passed into an RDG pass using SHADER_PARAMETER_STRUCT_REF() or SHADER_PARAMETER_RDG_UNIFORM_BUFFER().

I understand that the VR template causes issues and I have tried using the temp fix of disabling stereo something and am still having issues.

From what I can tell i need to delete a corrupted material or bind something but I am unsure what needs doing/where to find the assets/files that need correcting.

When looking through others having similar issues and trying to do what they have done I have had no luck. can anyone help me fix this or do i need to just restart with the FPS template?

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