Fatal error: Uncaught Error: Call to a member function getSellername() on null in /home/veganist/public_html/catalog/controller/extension/module/purpletree_sellerdetail.php:15 Stack trace: #0 /home/veganist/public_html/vqmod/vqcache/vq2-system_engine_action.php(79): ControllerExtensionModulePurpletreeSellerdetail->index(Array) #1 /home/veganist/public_html/vqmod/vqcache/vq2-system_engine_loader.php(48): Action->execute(Object(Registry), Array) #2 /home/veganist/public_html/catalog/controller/common/column_right.php(52): Loader->controller('extension/modul...') #3 /home/veganist/public_html/vqmod/vqcache/vq2-system_engine_action.php(79): ControllerCommonColumnRight->index(Array) #4 /home/veganist/public_html/vqmod/vqcache/vq2-system_engine_loader.php(48): Action->execute(Object(Registry), Array) #5 /home/veganist/public_html/catalog/controller/product/product.php(488): Loader->controller('common/column_r...') #6 /home/veganist/public_html/vqmod/vqcache/vq2-system_engine_action.php(79): ControllerProductProduct->index() #7 in /home/veganist/public_html/catalog/controller/extension/module/purpletree_sellerdetail.php on line 15