FATAL ERROR(1): "Uncaught InvalidArgumentException: NonEmptyStringType: Invalid argument value given (expected non-empty  string got string): 0 in /homepages/4/d413688693/htdocs/harztec-modellbau-shop/GXEngine/Shared/Types/NonEmptyStringType.inc.php:39
Stack trace:
#0 /homepages/4/d413688693/htdocs/harztec-modellbau-shop/gm/classes/GMSEOBoost.php(256): NonEmptyStringType->__construct()
#1 /homepages/4/d413688693/htdocs/harztec-modellbau-shop/includes/application_top.php(1239): GMSEOBoost_ORIGIN->get_products_id_by_boost()
#2 /homepages/4/d413688693/htdocs/harztec-modellbau-shop/product_info.php(28): require_once('/homepages/4/d4...')
#3 {main}
  thrown"