I am getting this error for and Eper-Req that I am trying to do for a new class custom Ability.  the custom ability works fine with out the Eper-Req 
Hero Lab was forced to stop compilation after the following errors were detected:
Syntax error in 'pre-requisite rule' script for Thing 'cmgHasAss' on line 1
-> Tag 'Classes.MgU' not defined
				
			Hero Lab was forced to stop compilation after the following errors were detected:
Syntax error in 'pre-requisite rule' script for Thing 'cmgHasAss' on line 1
-> Tag 'Classes.MgU' not defined
