SMTP seçtiğimde şöyle bir hata veriyor

Fatal error: Uncaught Exception: Error: (0) in /home/siteadı/public_html/system/library/mail.php:170 Stack trace: #0 /home/siteadı /public_html/vqmod/vqcache/vq2-catalog_model_checkout_order.php(844): Mail->send() #1 /home/siteadı/public_html/vqmod/vqcache/vq2-system_storage_modification_system_engine_loader.p hp(203): ModelCheckoutOrder->addOrderHistory('28745', '13', '', '1', '') #2 /home/siteadı/public_html/system/engine/proxy.php(25): Loader->{closure}(Array, Array) #3 /home/siteadı/public_html/vqmod/vqcache/vq2-catalog_controller_api_order.php(906): Proxy->__call('addOrderHistory', Array) #4 /home/siteadı /public_html/vqmod/vqcache/vq2-system_storage_modification_system_engine_action.p hp(51): ControllerApiOrder->history() #5 /home/siteadı/public_html/catalog/controller/startup/router.php(25): Action->execute(Object(Registry)) #6 /home/siteadı/public_html/vqmod/vqcache/vq2-system_storage_modification_system_engine_action.p hp(51): ControllerStartupRouter->index() #7 /home/siteadı/public_html/vqmod/vqcac in /home/siteadı/public_html/system/library/mail.php on line 170