Fatal error: Uncaught Error: Class 'Monolog\Formatter\LineFormatter' not found in /var/www/html/centralapps/vendor/google/cloud-core/src/Logger/AppEngineFlexFormatterV3.php:28 Stack trace: #0 {main} thrown in /var/www/html/centralapps/vendor/google/cloud-core/src/Logger/AppEngineFlexFormatterV3.php on line 28