Normally when you build your school year schedule, you should be able to create, modify, save or delete your Special Schedule for your Day/period Timetabling using the following path:
Setup > School > School schedule > Day/period >Special schedule
Issue:
You may need to edit in Setup > School > School schedule > Day/period >Special schedule to make some adjustments on the Day/period of one or more classes because it causes schedule conflicts in the Students’ Timetable.
Solution:
You will need to go through the Class file to make the required adjustments.
2. Go to Setup > Class info > Class – This year or Next year > Select the class > Open the Schedule and select Day/Period You can make the modifications as required and SAVE