If it is possible to test your timetable but the full generation still fails, this second new feature might help you pinpoint smaller part of your timetable that is still not possible to generate.
You can run it via menu TimeTable/Verification/Extended tests:
A dialog appears that shows the progress of the extended tests. For example on this picture, the software first tried to generate a timetable without any constraints except for time-offs for classes. This generation was successful. See Nr.1:
Then the software added time-off of teachers. This was not successful. So the software tried to remove classes one by one, to find the smaller part of the timetable that still cannot be generated considering only time-offs for teachers and classes.
After a few generations it found out that it is not possible to generate just two classes. See Nr.2
So now you know where the problem lies. You can even use button "Show me". This will start "Draft" generation only on the problematic subset and with only the constraints involved. After generation it will show you the last card that was not possible to place so that you can try to place it and find what could be the problem.
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