300	GS
500	Please enter a valid file name.
501	This program-group file is already assigned to another group.
502	This program-group description is already assigned to another group.\nEnter a new description.
503	Cannot create the program-group information file.
504	Program-group file '%s' is invalid or damaged.\nRecreate the group.
505	Cannot open program-group file '%s'.
506	This is a system directory which cannot be deleted.