An exception occurred while executing 'INSERT INTO articles (title, content, dateAdded, authorId) VALUES (?, ?, ?, ?)' with params [null, null, null, 1]:

SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'title' cannot be null

500 Internal Server Error - NotNullConstraintViolationException
2 linked Exceptions:
PDOException »
PDOException »

[3/3] NotNullConstraintViolationException: An exception occurred while executing 'INSERT INTO articles (title, content, dateAdded, authorId) VALUES (?, ?, ?, ?)' with params [null, null, null, 1]:

SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'title' cannot be null   +

[2/3] PDOException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'title' cannot be null   -

in vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\PDOStatement.php at line 93   -
        try {
            return parent::execute($params);
        } catch (\PDOException $exception) {
            throw new PDOException($exception);
        }
    }
at PDOStatement ->execute (null)
in vendor\doctrine\dbal\lib\Doctrine\DBAL\Statement.php at line 168   +
at Statement ->execute ()
in vendor\doctrine\orm\lib\Doctrine\ORM\Persisters\Entity\BasicEntityPersister.php at line 281   +
at BasicEntityPersister ->executeInserts ()
in vendor\doctrine\orm\lib\Doctrine\ORM\UnitOfWork.php at line 1018   +
at UnitOfWork ->executeInserts (object(ClassMetadata))
in vendor\doctrine\orm\lib\Doctrine\ORM\UnitOfWork.php at line 378   +
at UnitOfWork ->commit (null)
in vendor\doctrine\orm\lib\Doctrine\ORM\EntityManager.php at line 356   +
at EntityManager ->flush ()
in src\SoftUniBlogBundle\Controller\ArticleController.php at line 34   +
at ArticleController ->createAction (object(Request))
at call_user_func_array (array(object(ArticleController), 'createAction'), array(object(Request)))
in vendor\symfony\symfony\src\Symfony\Component\HttpKernel\HttpKernel.php at line 153   +
at HttpKernel ->handleRaw (object(Request), '1')
in vendor\symfony\symfony\src\Symfony\Component\HttpKernel\HttpKernel.php at line 68   +
at HttpKernel ->handle (object(Request), '1', true)
in vendor\symfony\symfony\src\Symfony\Component\HttpKernel\Kernel.php at line 169   +
at Kernel ->handle (object(Request))
in web\app_dev.php at line 37   +
at require ('D:\Projects\Software-Technologies\01.PHP\01.Homeworks\HW03\Blog\web\app_dev.php')
in vendor\symfony\symfony\src\Symfony\Bundle\FrameworkBundle\Resources\config\router_dev.php at line 40   +
[1/3] PDOException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'title' cannot be null   +

Logs   -

1 error
INFO - Matched route "{route}".
DEBUG - Read existing security token from the session.
DEBUG - SELECT t0.id AS id_1, t0.email AS email_2, t0.fullName AS fullName_3, t0.password AS password_4 FROM users t0 WHERE t0.id = ?
DEBUG - User was reloaded from a user provider.
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - "START TRANSACTION"
DEBUG - INSERT INTO articles (title, content, dateAdded, authorId) VALUES (?, ?, ?, ?)
DEBUG - "ROLLBACK"
CRITICAL - Uncaught PHP Exception Doctrine\DBAL\Exception\NotNullConstraintViolationException: "An exception occurred while executing 'INSERT INTO articles (title, content, dateAdded, authorId) VALUES (?, ?, ?, ?)' with params [null, null, null, 1]: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'title' cannot be null" at D:\Projects\Software-Technologies\01.PHP\01.Homeworks\HW03\Blog\vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\AbstractMySQLDriver.php line 112
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
DEBUG - Notified event "{event}" to listener "{listener}".
Stack Trace (Plain Text)   +