Unity editor and project settings turned pink??

Hello! I was working on my project, a few hours ago. But now, when I opened my unity editor everything was pink. I tried opening the project settings, but that was pink also, everything was pink. And I was not able to find the render pipelone option in the edit settings… how should I fix this. It’s driving me crazy now … And I have almost completed my game. Pls help someone … :frowning:

See this answer: Unity Complete Editor Become Pink - Unity Editor Bug - Questions & Answers - Unity Discussions