After reinstall and with the tweaks shown (no preset), Active Sky here is the same scene with EA on (sky) and EA off (black sky). No Content errors related to shaders.
Hope you can find the culprit.
I started RDShade up for first time and verified settings. Loaded in default flight then applies cockpit brightness. After it loaded sky was black. No preset used
I started RDShade up for first time and verified settings. Loaded in default flight then applies cockpit brightness. After it loaded sky was black. No preset used