Talos docs

render.screen-effect

Since 0.6

a screen effect listed in the scene's render settings was skipped (its shader did not build or its params were refused) or the renderer refused the set, so the frame draws without it

Plain text
Severitywarning

Meaning

a screen effect listed in the scene's render settings was skipped (its shader did not build or its params were refused) or the renderer refused the set, so the frame draws without it

Fix

fix the problem the log line names (the shader's own code, its params or its textures) and rebuild