Fatal error: Uncaught Error: Call to a member function setVatClassId() on null in /var/www/virtual/modula-shop-systems.de/libs/development/Commerce/class.article.php:2806
Stack trace:
#0 /var/www/virtual/modula-shop-systems.de/libs/development/Commerce/class.article.php(2736): mss_commerce_article->getLowestPrice()
#1 /var/www/virtual/modula-shop-systems.de/libs/development/Core/class.itemCollection.php(886): mss_commerce_article->getLowestPriceFloat()
#2 [internal function]: mss_core_itemCollection->{closure}(Object(mss_commerce_article), Object(mss_commerce_article))
#3 /var/www/virtual/modula-shop-systems.de/libs/development/Core/class.itemCollection.php(908): usort(Array, Object(Closure))
#4 /var/www/virtual/modula-shop-systems.de/libs/development/Commerce/class.articleGroup.php(579): mss_core_itemCollection->getItems()
#5 /var/www/virtual/modula-shop-systems.de/libs/development/Commerce/class.viewArticleGroup.php(45): mss_commerce_articleGroup->createHTMLContent()
#6 /var/www/virtual/modula-shop-systems.de/libs/devel in /var/www/virtual/modula-shop-systems.de/libs/development/Commerce/class.article.php on line 2806