Somehow, related with pricing or copy control, as a SD consultant you will familiar with enhancement program called routine. Routine is created by using tcode VOFM. After finished developing routine in development client, then routine will be transported into your production client using change request. In order to be able to use your routines should be activated first.
You should running a program, name RV80HGEN in SE38 to activate all routines you have. Type the program name in field program and then execute (F8).