Fatal error: Uncaught Error: Class "Phalcon\Config" not found in /Users/liujian/MyDevelopments/www/PaymentOnline/app/config/config.php:10 Stack trace: #0 /Users/liujian/MyDevelopments/www/PaymentOnline/app/config/services.php(22): include() #1 [internal function]: Closure->{closure}() #2 [internal function]: Phalcon\Di\Service->resolve(Array, Object(Phalcon\Di\FactoryDefault)) #3 [internal function]: Phalcon\Di\Di->get('config', Array) #4 /Users/liujian/MyDevelopments/www/PaymentOnline/public/index.php(17): Phalcon\Di\Di->__call('getConfig', Array) #5 {main} thrown in /Users/liujian/MyDevelopments/www/PaymentOnline/app/config/config.php on line 10