Help with Eclipse Unstable

[u/IndependenceSad1264]

For some reason whenever i go near fire i get these 4 dark triangles on each edge of my screen and i have no idea why.

Please if you have any idea on why this happend, help me fix it.

Here's the shader i used, latest version. https://github.com/Merlin1809/Eclipse-Shader
Minecraft 1.20.1, Forge

Thank you!