@Mb944 It can happen that GE references file paths from the "D" drive where the game is installed. You can easily fix this yourself: open the mod's .i3d file in GE, then open it in a text editor and replace all paths containing "D" with, for example, `$data/shaders/vehicleShader.xml`; save the file, and it's fixed.
@Ghosty007 No thanks. You can edit and add it for yourself privately.
@dljrfn2003 It's strange because none of the testers reported the same problems you're having. All shaders have correct paths in version V1.0.2.1. Perhaps you have some conflicting mods.
