Thanks for the bug report. Hmmm I'm not seeing that bug on my end, here's a screenshot of Scylla just now with the Lighting / skybox mod active
I'm not sure what might be causing that issue .. did you change anything in Custom.ini?
I'm worried these new Odyssey shaders aren't as moddable / compatible as the Horizons versions. But I'll try re-formatting the shader structure and see if it improves the situation