Trying to create a profile using i1Match on Mac OS X with either an i1Pro, i1Display2, or i1DisplayLT and getting "Error code 20302  (File Not Found) message is an indication that there was something that either deleted or corrupted the corresponding reference file that the software program was looking for.  This can be resolved by simply reinstalling the program from the link below:

http://www.xrite.com/product_overview.aspx?ID=758&Action=support&SoftwareID=923