# Error 1240: Key reference and table reference don't match

| Error Code | SQLSTATE | Error                                    | Description                                   |
| ---------- | -------- | ---------------------------------------- | --------------------------------------------- |
| 1240       | HY000    | ER\_KEY\_REF\_DO\_NOT\_MATCH\_TABLE\_REF | Key reference and table reference don't match |

## Possible Causes and Solutions

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