MySQL error code
MySQL error 6125
MySQL server error 6125 is ER_FK_NO_UNIQUE_INDEX_PARENT, reported with SQLSTATE HY000.
Failed to add the foreign key constraint. Missing unique key for constraint '%s' in the referenced table '%s'
| Error | 6125 |
|---|---|
| Name | ER_FK_NO_UNIQUE_INDEX_PARENT |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference