|  Verification of timetable | 
			|  Statistics | 
			|  Class XY contains a window | 
			|  Divided cards are placed on too many positions in class XY | 
			|  Verify just one class/teachers/subject | 
			|  Advisor - Overbooked class/teacher/room | 
			|  Advisor - No lessons for certain period | 
			|  Advisor - Different number of lessons for groups | 
			|  Advisor - Lessons of different length | 
			|  Advisor - More lessons than days | 
			|  Advisor - Teachers have many blocked days | 
			|  Advisor - special classrooms are not defined | 
			|  Advisor - These teachers have to teach in too many classes at the same time | 
			|  Blocked part of the day |