MonoDevelop Unhandled Exception. MonoDevelop will now close - Mac OSX

I get this error when opening a script in Unity or just opening MonoDevelop. (I’m using a Mac)

[12293-screen+shot+2013-06-23+at+9.06.07+pm.png|12293]

Please help me guys. Thank you so much.

Looks like I fixed it by what you said. I also disabled everything that was not related with Unity3D. Thanks a lot.