Academic Settings / Timetable / Timetable Settings / Timetable Creation Settings / Make classroom selection mandatory in all timetable entries
Here you specify whether the classroom selection will be mandatory when the user adds a new session.
Setting -> Active
Figure 1
If you try to save without classroom a warning message will appear and you can’t add new session because classroom selection is mandatory (Figure 2)
Figure 2
Setting -> Inactive
Classroom selection is not mandatory and you can add and save a new session
Figure 3
Figure 4
