Hi sheson,
Running TexGen 3.0 a33 I get the following error: Error: invalid operation.
I have no problems running the 2.96 version.
bugreport: https://pastebin.com/wJzFRYif
there are some errors like this in TexGen SSE Log and Debug log:
[03:33] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:33] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:33] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:34] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:34] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:34] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:34] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:34] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
[03:34] <Error: Can not find file textures\landscape\trees\erowanbranch01_n.dds used by Meshes\cwi\flora\hoddminir\trees\hodrowantreegkb03wflowers.nif CollegeOfWinterholdImmersive.esp CWIHodRowan [TREE:2E28E5EB]>
but disabling Immersive College Of Winterhold didn't change anything...
