"Video memory has been exhausted" - What's the cause and how to fix?

Why do I keep getting the error "Video memory has been exhausted (400 MB over budget). Expect extremely poor performance?

Hey there @aidnewsome! This error generally occurs when your scene is becoming performance heavy enough to start maxing out your video memory on your graphics card. If possible, I would recommend lowering your scalability when working in the scene or optimizing it when possible.

If your scene is realtime these guidelines can help:

Thank you!