How to Debug "Value cannot be null. Parameter name: key " for TFS 2005 
I am unable to checkin changes to our TFS 2005 and get the following error while I check in .

Value cannot be null.
Parameter name: key


How do I debug, I checked the eventviewer and but no related errors. Any Ideas on Debugging the error. Am I missing any Files etc....
How to Debug "Value cannot be null. Parameter name: key " for TFS 2005 
===

I am unable to checkin changes to our TFS 2005 and get the following error while I check in .

Value cannot be null.
Parameter name: key


How do I debug, I checked the eventviewer and but no related errors. Any Ideas on Debugging the error. Am I missing any Files etc....