MySQL error code
MySQL error 1121
MySQL server error 1121 is ER_NULL_COLUMN_IN_INDEX, reported with SQLSTATE 42000.
Table handler doesn't support NULL in given index. Please change column '%s' to be NOT NULL or use another handler
| Error | 1121 |
|---|---|
| Name | ER_NULL_COLUMN_IN_INDEX |
| SQLSTATE | 42000 |
| Group | Server errors |
In other databases
Source: MySQL 8.4 Error Reference