# Error 1569: ALTER TABLE causes auto\_increment resequencing, resulting in duplicate entry for key

| Error Code | SQLSTATE | Error                               | Description                                                                                     |
| ---------- | -------- | ----------------------------------- | ----------------------------------------------------------------------------------------------- |
| 1569       | HY000    | ER\_DUP\_ENTRY\_AUTOINCREMENT\_CASE | ALTER TABLE causes auto\_increment resequencing, resulting in duplicate entry '%s' for key '%s' |

## Possible Causes and Solutions

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