*Steps to reproduce:*
# Create a new HDRP project
# Import Water Samples from the HDRP package samples
# Open the “Cave” scene
# In the Hierarchy, select the “Water Sample Description” GameObject
# In the Inspector, under the Custom Pass Triplanar Caustics section, click the script link

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*Actual results:* The error "Asset BindCaustics.cs could not be found" is thrown

*Expected results:* The link opens the corresponding BindCaustics.cs script if present, or the UI gracefully handles its absence with no error

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*Reproducible with versions:* 6000.0.48f1, 6000.1.0f1, 6000.2.0a9

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*Tested on (OS):* Ubuntu 24

Full error:

{code:java}
Asset BindCaustics.cs could not be found.
UnityEngine.Debug:LogError (object)
SamplesShowcaseEditor:GetAssetFinalPath (string) (at Assets/Samples/Scriptable Render Pipeline Core/Common/Scripts/Editor/SamplesShowcaseEditor.cs:362)
SamplesShowcaseEditor:LinkOnPointerUp (UnityEngine.UIElements.Experimental.PointerUpLinkTagEvent) (at Assets/Samples/Scriptable Render Pipeline Core/Common/Scripts/Editor/SamplesShowcaseEditor.cs:217)
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /home/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:219)
{code}