I just got these error when trying to set up an expression what is going on?
Maya refuse to set the expression and keep sending the "EEisExpression" error when I have the Expression Editor open and select new attributes in the channel box.

Can I fix it?



// Error: file: C:/Program Files/Autodesk/Maya2012/scripts/others/expressionEdCallbacks.mel line 1298: Cannot find procedure "EEisExpression". //
// Error: file: C:/Program Files/Autodesk/Maya2012/scripts/others/expressionEdCallbacks.mel line 196: Cannot find procedure "EEapplyExpression". //