Fatal error: Uncaught Error: Call to a member function filterEqual() on null in /var/www/zabotkin_user/data/www/zabotkin.ru/system/controllers/payment/frontend.php:21 Stack trace: #0 /var/www/zabotkin_user/data/www/zabotkin.ru/system/core/controller.php(444): payment->actionIndex() #1 /var/www/zabotkin_user/data/www/zabotkin.ru/system/core/core.php(740): cmsController->runAction('index', Array) #2 /var/www/zabotkin_user/data/www/zabotkin.ru/index.php(34): cmsCore->runController() #3 {main} thrown in /var/www/zabotkin_user/data/www/zabotkin.ru/system/controllers/payment/frontend.php on line 21