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SQLite error code

SQLITE_CORRUPT_INDEX

SQLITE_CORRUPT_INDEX is SQLite result code 779, an extended code of SQLITE_CORRUPT.

Result code779
NameSQLITE_CORRUPT_INDEX
Primary codeSQLITE_CORRUPT

What it means

The SQLITE_CORRUPT_INDEX result code means that SQLite detected an entry is or was missing from an index. This is a special case of the SQLITE_CORRUPT error code that suggests that the problem might be resolved by running the REINDEX command, assuming no other problems exist elsewhere in the database file.

Source: SQLite Result and Error Codes