MySQL error code
MySQL error 1851
MySQL server error 1851 is ER_ALTER_OPERATION_NOT_SUPPORTED_REASON_FK_CHECK, reported with SQLSTATE HY000.
Adding foreign keys needs foreign_key_checks=OFF
| Error | 1851 |
|---|---|
| Name | ER_ALTER_OPERATION_NOT_SUPPORTED_REASON_FK_CHECK |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference