Lesson 'Chemistry' (group 10A): room 'Lab 1' not found in the rooms list.

Last updated: Mar 23, 2026

At a glance

A lesson has a pinned room that no longer exists.

What causes this error

A lesson has a pinned room assignment that references a room which has been deleted or renamed. The generator cannot find this room in the current rooms list.

How to fix it

  1. Restore the room — Go to the Rooms section and re-add the room with the exact same name.
  2. Clear the pinned room — Go to the Lessons section, find the affected lesson, and remove or update the pinned room assignment.
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