Fatal error: Uncaught Error: Cannot instantiate interface PsrExt\Log\LoggerInterface in /home/webdevel/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php:50 Stack trace: #0 /home/webdevel/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('PsrExt\\Log\\Logg...') #1 /home/webdevel/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(167): Magento\Framework\ObjectManager\ObjectManager->get('PsrExt\\Log\\Logg...') #2 /home/webdevel/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(273): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'PsrExt\\Log\\Logg...', NULL, 'logger', 'Magento\\Framewo...') #3 /home/webdevel/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(236): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument('Magento\\Framewo...', Array, Array) #4 /home/webde in /home/webdevel/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php on line 50