TF248018: You cannot change the "{1}" attribute of field '{0}' in a work item type definition. You can only change the value ...

TF248018: You cannot change the "{1}" attribute of field '{0}' in a work item type definition. You can only change the value of this attribute by using the witadmin changefield command-line tool. For more information, see the Microsoft Web site:  http://go.microsoft.com/fwlink/?LinkId=75598.