Fatal error: Uncaught Error: Call to undefined method Cart\Customer::validateSeller() in /var/www/html/aerycardmarket.com/catalog/controller/extension/account/purpletree_multivendor/sellercontact.php:592 Stack trace: #0 /var/www/html/aerycardmarket.com/system/engine/action.php(79): ControllerExtensionAccountPurpletreeMultivendorSellercontact->customerReply() #1 /var/www/html/aerycardmarket.com/catalog/controller/startup/router.php(25): Action->execute() #2 /var/www/html/aerycardmarket.com/system/engine/action.php(79): ControllerStartupRouter->index() #3 /var/www/html/aerycardmarket.com/system/engine/router.php(67): Action->execute() #4 /var/www/html/aerycardmarket.com/system/engine/router.php(56): Router->execute() #5 /var/www/html/aerycardmarket.com/system/framework.php(169): Router->dispatch() #6 /var/www/html/aerycardmarket.com/system/startup.php(104): require_once('/var/www/html/a...') #7 /var/www/html/aerycardmarket.com/index.php(21): start() #8 {main} thrown in /var/www/html/aerycardmarket.com/catalog/controller/extension/account/purpletree_multivendor/sellercontact.php on line 592