CubemapExporter.RenderTextureToEquirectTexture Value cannot be null

Using 2.59.3-pre in Unity 2022.1.23f1 getting this error in a project that worked in previous versions using an exr file as the skybox + reflection map - main error is:

ArgumentNullException: Value cannot be null.
Parameter name: shader
System.ArgumentNullException: Value cannot be null.
Parameter name: shader
new UnityEngine.Material(Shader shader)
Texture2D Needle.Engine.Shaders.CubemapExporter.RenderTextureToEquirectTexture(RenderTexture rt, bool flipY) in

Original Post on Discord

by user 103054507105067008

Can you reimport the Needle Engine Exporter package and check if there are any shader errors in the console?

Would also be good to see the stacktrace of such errors when you encounter them