Fatal error: Uncaught Error: Class "Monolog\Logger" not found in /app/vendor/magento/framework/Logger/Monolog.php:16 Stack trace: #0 /app/vendor/composer/ClassLoader.php(576): include() #1 /app/vendor/composer/ClassLoader.php(427): {closure:Composer\Autoload\ClassLoader::initializeIncludeClosure():575}('/app/vendor/com...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Magento\\Framewo...') #3 /app/vendor/magento/framework/Code/Reader/ClassReader.php(34): ReflectionClass->__construct('Magento\\Framewo...') #4 /app/vendor/magento/framework/ObjectManager/Definition/Runtime.php(50): Magento\Framework\Code\Reader\ClassReader->getConstructor('Magento\\Framewo...') #5 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(48): Magento\Framework\ObjectManager\Definition\Runtime->getParameters('Magento\\Framewo...') #6 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\CloudCo...') #7 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\CloudCo...') #8 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Psr\\Log\\LoggerI...', NULL, 'logger', 'Magento\\CloudCo...') #9 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument('Magento\\CloudCo...', Array, Array) #10 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime('Magento\\CloudCo...', Array, Array) #11 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\CloudCo...', Array, Array) #12 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\CloudCo...') #13 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\CloudCo...') #14 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Framewo...', NULL, 'logger', 'Magento\\Framewo...') #15 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument('Magento\\Framewo...', Array, Array) #16 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime('Magento\\Framewo...', Array, Array) #17 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\Framewo...', Array, Array) #18 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array) #19 /app/vendor/magento/framework/App/Cache/Frontend/Factory.php(214): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #20 /app/vendor/magento/framework/App/Cache/Frontend/Factory.php(178): Magento\Framework\App\Cache\Frontend\Factory->_applyDecorators(Object(Magento\Framework\Cache\Frontend\Decorator\TagScope)) #21 /app/vendor/magento/framework/App/Cache/Frontend/Pool.php(69): Magento\Framework\App\Cache\Frontend\Factory->create(Array) #22 /app/vendor/magento/framework/App/Cache/Frontend/Pool.php(156): Magento\Framework\App\Cache\Frontend\Pool->_initialize() #23 /app/vendor/magento/framework/App/Cache/Type/FrontendPool.php(87): Magento\Framework\App\Cache\Frontend\Pool->get('default') #24 /app/vendor/magento/framework/App/Interception/Cache/CompiledConfig.php(29): Magento\Framework\App\Cache\Type\FrontendPool->get('compiled_config') #25 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\App\Interception\Cache\CompiledConfig->__construct(Object(Magento\Framework\App\Cache\Type\FrontendPool)) #26 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #27 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...') #28 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #29 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Framewo...', NULL, 'cache', 'Magento\\Framewo...') #30 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument('Magento\\Framewo...', Array, Array) #31 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime('Magento\\Framewo...', Array, Array) #32 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\Framewo...', Array, Array) #33 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...') #34 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #35 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Framewo...', NULL, 'dataContainer', 'Magento\\Framewo...') #36 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument('Magento\\Framewo...', Array, Array) #37 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime('Magento\\Framewo...', Array, Array) #38 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\Framewo...', Array, Array) #39 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...') #40 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #41 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Framewo...', NULL, 'eventConfig', 'Magento\\Framewo...') #42 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument('Magento\\Framewo...', Array, Array) #43 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime('Magento\\Framewo...', Array, Array) #44 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\Framewo...', Array, Array) #45 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...') #46 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #47 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Framewo...', NULL, 'eventManager', 'Magento\\Framewo...') #48 /app/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument('Magento\\Framewo...', Array, Array) #49 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime('Magento\\Framewo...', Array, Array) #50 /app/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\Framewo...', Array, Array) #51 /app/vendor/magento/framework/ObjectManager/ObjectManager.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array) #52 /app/vendor/magento/framework/App/Bootstrap.php(238): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #53 /app/pub/index.php(29): Magento\Framework\App\Bootstrap->createApplication('Magento\\Framewo...') #54 {main} thrown in /app/vendor/magento/framework/Logger/Monolog.php on line 16