SSAS Process Error

I encountered an error when trying to process a SSAS cube. I haven't found out the root cause of it yet. But turning off the error reporting allowed me to get around it and get the cube processed. Details at:
http://social.msdn.microsoft.com/forums/en-US/sqlanalysisservices/thread/971e3e6b-a1a7-4a19-95af-78ef21d11678/