Fatal error: Uncaught Error: Class 'Monolog\Handler\StreamHandler' not found in /home/app/htdocs/lidia/vendor/google/cloud/src/Core/Logger/AppEngineFlexHandler.php:26 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/google/cloud/src/Core/Logger/AppEngineFlexHandler.php on line 26