MySQL error code
MySQL error 1138
MySQL server error 1138 is ER_INVALID_USE_OF_NULL, reported with SQLSTATE 22004.
Invalid use of NULL value
| Error | 1138 |
|---|---|
| Name | ER_INVALID_USE_OF_NULL |
| SQLSTATE | 22004 |
| Group | Server errors |
In other databases
Source: MySQL 8.4 Error Reference