Fatal error: Uncaught Error: Interface "Psr\Log\LoggerInterface" not found in /var/www/vendor/magento/framework/Logger/LoggerProxy.php:19 Stack trace: #0 /var/www/vendor/composer/ClassLoader.php(571): include() #1 /var/www/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/var/www/vendor...') #2 /var/www/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Composer\Autoload\ClassLoader->loadClass('Magento\\Framewo...') #3 /var/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #4 /var/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...') #5 /var/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Framewo...') #6 /var/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...') #7 /var/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Framewo...') #8 /var/www/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...', Array) #9 /var/www/vendor/magento/framework/App/Cache/Frontend/Factory.php(216): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #10 /var/www/vendor/magento/framework/App/Cache/Frontend/Factory.php(180): Magento\Framework\App\Cache\Frontend\Factory->_applyDecorators(Object(Magento\Framework\Cache\Frontend\Decorator\TagScope)) #11 /var/www/vendor/magento/framework/App/Cache/Frontend/Pool.php(69): Magento\Framework\App\Cache\Frontend\Factory->create(Array) #12 /var/www/vendor/magento/framework/App/Cache/Frontend/Pool.php(156): Magento\Framework\App\Cache\Frontend\Pool->_initialize() #13 /var/www/vendor/magento/framework/App/Cache/Type/FrontendPool.php(87): Magento\Framework\App\Cache\Frontend\Pool->get('default') #14 /var/www/vendor/magento/framework/App/Interception/Cache/CompiledConfig.php(29): Magento\Framework\App\Cache\Type\FrontendPool->get('compiled_config') #15 /var/www/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\App\Interception\Cache\CompiledConfig->__construct(Object(Magento\Framework\App\Cache\Type\FrontendPool)) #16 /var/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #17 /var/www/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...') #18 /var/www/vendor/magento/framework/App/ObjectManager/Environment/Compiled.php(117): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #19 /var/www/vendor/magento/framework/App/ObjectManagerFactory.php(191): Magento\Framework\App\ObjectManager\Environment\Compiled->configureObjectManager(Object(Magento\Framework\Interception\ObjectManager\Config\Compiled), Array) #20 /var/www/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create(Array) #21 /var/www/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct(Object(Magento\Framework\App\ObjectManagerFactory), '/var/www', Array) #22 /var/www/pub/index.php(27): Magento\Framework\App\Bootstrap::create('/var/www', Array) #23 {main} thrown in /var/www/vendor/magento/framework/Logger/LoggerProxy.php on line 19