MySQL error code
MySQL error 1830
MySQL server error 1830 is ER_FK_COLUMN_NOT_NULL, reported with SQLSTATE HY000.
Column '%s' cannot be NOT NULL: needed in a foreign key constraint '%s' SET NULL
| Error | 1830 |
|---|---|
| Name | ER_FK_COLUMN_NOT_NULL |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference