Error: You can only call cameraColorTarget inside the scope of a ScriptableRenderPass

Question

I am trying to set up a Volumetric Light Scattering as a Custom Renderer Feature in URP by following this tutorial.

public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData) {
    renderer.EnqueuePass(m_ScriptablePass);
    m_ScriptablePass.SetCameraColorTarget(renderer.cameraColorTarget);
}

Calling SetCameraColorTarget(renderer.cameraColorTarget) results in this error message

You can only call cameraColorTarget inside the scope of a ScriptableRenderPass. Otherwise the pipeline camera target texture might have not been created or might have already been disposed.
UnityEngine.Rendering.Universal.ScriptableRenderer:get_cameraColorTarget ()
VolumetricLightScattering:AddRenderPasses (UnityEngine.Rendering.Universal.ScriptableRenderer,UnityEngine.Rendering.Universal.RenderingData&) (at Assets/VolumetricLightScattering.cs:139)
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

How can I refactor my code to circumvent this error?

Answer 1

I was able to fix the issue with this upgrade guide from Unity.

The new code looks like this

public override void SetupRenderPasses(ScriptableRenderer renderer, in RenderingData renderingData) {
    m_ScriptablePass.SetCameraColorTarget(renderer.cameraColorTargetHandle);

}

public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData) {
    renderer.EnqueuePass(m_ScriptablePass);
}