Using Check Database for error (non-urgent question)

Anki Desktop
1

Hello! I was just wondering what Check Database does (specifically for fixing errors). It popped up in an error message (telling me to use Check Database) and someone replied to me in a forum telling me to use Check Database to fix an error, but I don’t know what it actually does. Can someone please explain to me if they can spare the time? Thank you!

2

Generally speaking, it ascertains that all kinds of constraints, that other parts of Anki rely on, are observed. A few examples:

  • Orphaned cards are deleted.
  • Missing decks and notetypes are recovered.
  • Broken UTF-8 is fixed.
  • The next position for new cards is updated.
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3

Thank you!

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