> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/error-codes/mariadb-error-codes-1100-to-1199/e1120.md).

# Error 1120: Cross dependency found in OUTER JOIN; examine your ON conditions

| Error Code | SQLSTATE | Error                  | Description                                                      |
| ---------- | -------- | ---------------------- | ---------------------------------------------------------------- |
| 1120       | 42000    | ER\_WRONG\_OUTER\_JOIN | Cross dependency found in OUTER JOIN; examine your ON conditions |

## Possible Causes and Solutions

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