i tried with some instances, sometime it does detect properly the shader mod sometimes not. create new forge/neoforge instance (tested 1.21/1.18) install with the mod manager optifine/iris try to ...

Hello, i want to get some more fps on the complementary shaders (i use tlauncher) when i have everything ready and installed, i launch it and sent me this error, please fix it as soon as possible: - ...