Fatal error: Uncaught Assert\InvalidArgumentException: Value "" is not an integer or a number castable to integer. in /home/fanbidbo/www.die-fahrradecke.de/vendor/beberlei/assert/lib/Assert/Assertion.php:218 Stack trace: #0 /home/fanbidbo/www.die-fahrradecke.de/vendor/beberlei/assert/lib/Assert/Assertion.php(391): Assert\Assertion::createException('', 'Value "" is not...', 12, NULL) #1 [internal function]: Assert\Assertion::integerish('') #2 /home/fanbidbo/www.die-fahrradecke.de/vendor/beberlei/assert/lib/Assert/Assertion.php(1500): call_user_func_array(Array, Array) #3 /home/fanbidbo/www.die-fahrradecke.de/engine/Shopware/Bundle/SearchBundle/Condition/ManufacturerCondition.php(47): Assert\Assertion::__callStatic('Integerish', Array) #4 /home/fanbidbo/www.die-fahrradecke.de/engine/Shopware/Bundle/SearchBundle/CriteriaRequestHandler/CoreCriteriaRequestHandler.php(137): Shopware\Bundle\SearchBundle\Condition\ManufacturerCondition->__construct(Array) #5 /home/fanbidbo/www.die-fahrradecke.de/engine/Shopware/Bundle/SearchBundl in /home/fanbidbo/www.die-fahrradecke.de/vendor/beberlei/assert/lib/Assert/Assertion.php on line 218