MySQL error code
MySQL error 1311
MySQL server error 1311 is ER_SP_UNINIT_VAR, reported with SQLSTATE 01000.
Referring to uninitialized variable %s
| Error | 1311 |
|---|---|
| Name | ER_SP_UNINIT_VAR |
| SQLSTATE | 01000 |
| Group | Server errors |
In other databases
Source: MySQL 8.4 Error Reference