# Error 1247: Reference not supported

| Error Code | SQLSTATE | Error                  | Description                       |
| ---------- | -------- | ---------------------- | --------------------------------- |
| 1247       | 42S22    | ER\_ILLEGAL\_REFERENCE | Reference '%s' not supported (%s) |

## Possible Causes and Solutions

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{% @marketo/form formId="4316" %}