i get this message from time to time when im rendering

letsey

3Delight message #13 (Severity 1): R2054: primitive (or parts of) '' discarded during eye-split
Finished Rendering

is there a way to fix or to avoid getting it?

Jaderail

Severity 1 errors are simple render errors that are fixed on the fly by the render engine. The only time more than just letting the render finish is needed is if the error is visible in the final render, most of the time Severity 1 to Severity 3 errors are fixed and never seen in render.