# Error 1854: Adding an auto-increment column requires a lock

| Error Code | SQLSTATE | Error                                                 | Description                                     |
| ---------- | -------- | ----------------------------------------------------- | ----------------------------------------------- |
| 1854       | HY000    | ER\_ALTER\_OPERATION\_NOT\_SUPPORTED\_REASON\_AUTOINC | Adding an auto-increment column requires a lock |

## Possible Causes and Solutions

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