^ array:3 [
  "trace" => """
    #0 /var/www/php/vendor/doctrine/dbal/src/Connection.php(1935): Doctrine\DBAL\Driver\API\MySQL\ExceptionConverter->convert(Object(Doctrine\DBAL\Driver\PDO\Exception), Object(Doctrine\DBAL\Query))\n
    #1 /var/www/php/vendor/doctrine/dbal/src/Connection.php(1878): Doctrine\DBAL\Connection->handleDriverException(Object(Doctrine\DBAL\Driver\PDO\Exception), Object(Doctrine\DBAL\Query))\n
    #2 /var/www/php/vendor/doctrine/dbal/src/Statement.php(194): Doctrine\DBAL\Connection->convertExceptionDuringQuery(Object(Doctrine\DBAL\Driver\PDO\Exception), 'INSERT INTO oc_...', Array, Array)\n
    #3 /var/www/php/vendor/doctrine/dbal/src/Statement.php(249): Doctrine\DBAL\Statement->execute(NULL)\n
    #4 /var/www/php/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php(280): Doctrine\DBAL\Statement->executeStatement()\n
    #5 /var/www/php/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php(1179): Doctrine\ORM\Persisters\Entity\BasicEntityPersister->executeInserts()\n
    #6 /var/www/php/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php(443): Doctrine\ORM\UnitOfWork->executeInserts()\n
    #7 /var/www/php/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(403): Doctrine\ORM\UnitOfWork->commit(NULL)\n
    #8 /var/www/php/catalog/controller/stock/stock.php(518): Doctrine\ORM\EntityManager->flush()\n
    #9 /var/www/php/storage/modification/system/engine/action.php(79): ControllerStockStock->participate()\n
    #10 /var/www/php/catalog/controller/startup/router.php(25): Action->execute(Object(src\Extension\OpencartExtensions\Registry))\n
    #11 /var/www/php/storage/modification/system/engine/action.php(79): ControllerStartupRouter->index()\n
    #12 /var/www/php/system/engine/router.php(70): Action->execute(Object(src\Extension\OpencartExtensions\Registry))\n
    #13 /var/www/php/system/engine/router.php(59): Router->execute(Object(Action))\n
    #14 /var/www/php/system/framework.php(176): Router->dispatch(Object(Action), Object(Action))\n
    #15 /var/www/php/system/startup.php(104): require_once('/var/www/php/sy...')\n
    #16 /var/www/php/src/Extension/OpencartExtensions/Application.php(49): start('catalog')\n
    #17 /var/www/php/index.php(47): src\Extension\OpencartExtensions\Application->run()\n
    #18 {main}
    """
  "message" => "An exception occurred while executing a query: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'quantity_products' cannot be null"
  "code" => 1048
]