MySQL error code
MySQL error 1170
MySQL server error 1170 is ER_BLOB_KEY_WITHOUT_LENGTH, reported with SQLSTATE 42000.
BLOB/TEXT column '%s' used in key specification without a key length
| Error | 1170 |
|---|---|
| Name | ER_BLOB_KEY_WITHOUT_LENGTH |
| SQLSTATE | 42000 |
| Group | Server errors |
In other databases
Source: MySQL 8.4 Error Reference