Error OpenGL 1280 (Invalid enum) what does that mean?

Basically the game is flooding my chat with "OpenGL Error: 1280 (Invalid enum). i don't know what that means.

What I expected to happen was...:
Nothing

What actually happened was...:
The system flooded my chat with: "OpenGL Error: 1280 (Invalid enum)"

Steps to Reproduce:
1. Play on multiplayer/singleplayer

2. Watch the chat