Fatal error: Uncaught Assert\InvalidArgumentException: Value "<NULL>" is not an integer or a number castable to integer. in /var/www/vhosts/peters-pralinen.de/httpdocs/vendor/beberlei/assert/lib/Assert/Assertion.php:288 Stack trace: #0 /var/www/vhosts/peters-pralinen.de/httpdocs/vendor/beberlei/assert/lib/Assert/Assertion.php(530): Assert\Assertion::createException(NULL, 'Value "<NULL>" ...', 12, NULL) #1 /var/www/vhosts/peters-pralinen.de/httpdocs/vendor/beberlei/assert/lib/Assert/Assertion.php(1934): Assert\Assertion::integerish(NULL) #2 /var/www/vhosts/peters-pralinen.de/httpdocs/engine/Shopware/Bundle/SearchBundle/Condition/CategoryCondition.php(47): Assert\Assertion::__callStatic('Integerish', Array) #3 /var/www/vhosts/peters-pralinen.de/httpdocs/custom/plugins/LxEmotions/Subscriber/Emotion.php(127): Shopware\Bundle\SearchBundle\Condition\CategoryCondition->__construct(Array) #4 /var/www/vhosts/peters-pralinen.de/httpdocs/custom/plugins/LxEmotions/Subscriber/Emotion.php(95): LxEmotions\Subscriber\Emotion->getCategory in /var/www/vhosts/peters-pralinen.de/httpdocs/vendor/beberlei/assert/lib/Assert/Assertion.php on line 288