Fatal error: Uncaught Error: Interface "Magento\Quote\Api\Data\PaymentMethodInterface" not found in /home/prlabs_qa/public_html/vendor/magento/module-payment/Model/Method/AbstractMethod.php:31 Stack trace: #0 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(571): include() #1 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile() #2 /home/prlabs_qa/public_html/vendor/magento/module-payment/Model/Method/Cc.php(19): Composer\Autoload\ClassLoader->loadClass() #3 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(571): include('...') #4 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile() #5 /home/prlabs_qa/public_html/vendor/magento/module-paypal/Model/Payflowpro.php(34): Composer\Autoload\ClassLoader->loadClass() #6 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(571): include('...') #7 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile() #8 /home/prlabs_qa/public_html/vendor/magento/module-paypal/Model/Payflow/Transparent.php(33): Composer\Autoload\ClassLoader->loadClass() #9 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(571): include('...') #10 /home/prlabs_qa/public_html/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile() #11 [internal function]: Composer\Autoload\ClassLoader->loadClass() #12 /home/prlabs_qa/public_html/vendor/magento/framework/Data/Argument/Interpreter/Constant.php(25): defined() #13 /home/prlabs_qa/public_html/vendor/magento/framework/Data/Argument/Interpreter/Composite.php(61): Magento\Framework\Data\Argument\Interpreter\Constant->evaluate() #14 /home/prlabs_qa/public_html/vendor/magento/framework/ObjectManager/Config/Mapper/Dom.php(101): Magento\Framework\Data\Argument\Interpreter\Composite->evaluate() #15 /home/prlabs_qa/public_html/vendor/magento/framework/Config/Reader/Filesystem.php(194): Magento\Framework\ObjectManager\Config\Mapper\Dom->convert() #16 /home/prlabs_qa/public_html/vendor/magento/framework/Config/Reader/Filesystem.php(131): Magento\Framework\Config\Reader\Filesystem->_readFiles() #17 /home/prlabs_qa/public_html/vendor/magento/framework/App/ObjectManager/ConfigLoader.php(76): Magento\Framework\Config\Reader\Filesystem->read() #18 /home/prlabs_qa/public_html/vendor/magento/framework/App/ObjectManager/Environment/Developer.php(79): Magento\Framework\App\ObjectManager\ConfigLoader->load() #19 /home/prlabs_qa/public_html/vendor/magento/framework/App/ObjectManagerFactory.php(191): Magento\Framework\App\ObjectManager\Environment\Developer->configureObjectManager() #20 /home/prlabs_qa/public_html/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create() #21 /home/prlabs_qa/public_html/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct() #22 /home/prlabs_qa/public_html/pub/index.php(32): Magento\Framework\App\Bootstrap::create() #23 {main} thrown in /home/prlabs_qa/public_html/vendor/magento/module-payment/Model/Method/AbstractMethod.php on line 31