# Error 1073: BLOB column can't be used in key specification with the used table type

| Error Code | SQLSTATE | Error                   | Description                                                                  |
| ---------- | -------- | ----------------------- | ---------------------------------------------------------------------------- |
| 1073       | 42000    | ER\_BLOB\_USED\_AS\_KEY | BLOB column '%s' can't be used in key specification with the used table type |

## Possible Causes and Solutions

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