MySQL error code
MySQL error 1826
MySQL server error 1826 is ER_FK_DUP_NAME, reported with SQLSTATE HY000.
Duplicate foreign key constraint name '%s'
| Error | 1826 |
|---|---|
| Name | ER_FK_DUP_NAME |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference