Chyba v SQL dotazu - Cannot delete or update a parent row: a foreign key constraint fails (`freenetis`.`watchers`, CONSTRAINT `watchers_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)) - DELETE FROM `users` WHERE `id` = 384

Chyba se vyskytla na radku 142 souboru system/libraries/drivers/Database/Mysqli.php.

system/libraries/drivers/Database/Mysqli.php [90]:

Kohana_Mysqli_Result->__construct( mysqli Object
(
    [affected_rows] => -1
    [client_info] => 5.5.54
    [client_version] => 50554
    [connect_errno] => 0
    [connect_error] => 
    [errno] => 1451
    [error] => Cannot delete or update a parent row: a foreign key constraint fails (`freenetis`.`watchers`, CONSTRAINT `watchers_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`))
    [error_list] => Array
        (
            [0] => Array
                (
                    [errno] => 1451
                    [sqlstate] => 23000
                    [error] => Cannot delete or update a parent row: a foreign key constraint fails (`freenetis`.`watchers`, CONSTRAINT `watchers_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`))
                )

        )

    [field_count] => 1
    [host_info] => Localhost via UNIX socket
    [info] => 
    [insert_id] => 0
    [server_info] => 5.5.54-0+deb7u2
    [server_version] => 50554
    [stat] => Uptime: 4068300  Threads: 2  Questions: 175174760  Slow queries: 0  Opens: 463  Flush tables: 1  Open tables: 289  Queries per second avg: 43.058
    [sqlstate] => 00000
    [protocol_version] => 10
    [thread_id] => 3771193
    [warning_count] => 0
)
, 1, DELETE FROM `users` WHERE `id` = 384 )

system/libraries/Database.php [185]:

Database_Mysqli_Driver->query( DELETE FROM `users` WHERE `id` = 384 )

system/libraries/Database.php [1036]:

Database->query( DELETE FROM `users` WHERE `id` = 384 )

system/libraries/ORM.php [910]:
```
Database->delete( users )
```
application/controllers/users.php [402]:
```
ORM_Core->delete(  )
```
system/core/Kohana.php [350]:
```
Users_Controller->delete( 384 )
```
```
Kohana::instance(  )
```

system/core/Event.php [217]:

call_user_func( Array
(
    [0] => Kohana
    [1] => instance
)
 )

system/core/Bootstrap.php [55]:
```
Event::run( system.execute )
```
index.php [112]:
```
require( system/core/Bootstrap.php )
```

Chyba nahlasena z: . users/delete/384 (file: 142, line: 142)

Kohana_Database_Exception