MySQL error code
MySQL error 3506
MySQL server error 3506 is ER_INVALID_DD_OBJECT, reported with SQLSTATE HY000.
%s dictionary object is invalid. (%s)
| Error | 3506 |
|---|---|
| Name | ER_INVALID_DD_OBJECT |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference