1. Create 2 courses, "Course1" and "Course2"
2. Go to "Course1", create a question bank called "Course 1 question bank", and add a true/false question to the question bank.
3. Go to "Course2", create a quiz, and add the true/false question from the "Course1" question bank.
4. On the "Questions" tab in the quiz, confirm that the question is shown with a blue "Course 1 question bank" badge next to it.
5. Go to Site administration > Courses > Manage courses and categories, and delete "Course1".
6. Return to the quiz on "Course2" and to go the "Questions" tab

• Confirm that the page displays without errors.
• Confirm that the blue badge next to the question now says "System shared question
  bank"
• Before fix An error was displayed.

7. Go to the "Quiz" tab and click "Preview quiz"

• Confirm that the preview attempt starts with errors.
• Before fix An error was displayed.

Code verified against automated checks.

Checked MDL-84591 using repository: https://github.com/marxjohnson/moodle.git

• main (0 errors / 0 warnings) [branch: MDL-84591_main | CI Job]

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