Issue with Sun after Compiling game with Envirosky asset?

So I would like to know how to fix this issue where the sun is drawn IN FRONT of the hill when climbing the hill. This issue only happens when looking at the sun after compiling. It seems FINE when test playing without compiling.

Here’s a small video :

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Hi @AerionXI , I am moving this question to the graphics forum, since I think you’ll have a better chance of getting help with this issue there.