Lesson 'Music' for group '6B' is pinned to a time slot but the pinned time information is incomplete.
Last updated: Mar 23, 2026
At a glance
A manually placed lesson is missing its pinned time or week information.
What causes this error
A lesson has been manually pinned to a specific position in the timetable (locked in place), but the pinned time slot or week information is incomplete or missing.
How to fix it
Go to the timetable editor, find the pinned lesson, and either:
- Complete the pinning by setting a valid day, period, and week, or
- Unpin the lesson and let the scheduler place it automatically.