Fatal error: Uncaught Error: Class "Psr\Log\AbstractLogger" not found in /home/appgulf1/elevator.hifisys.com/elevator/vendor/symfony/console/Logger/ConsoleLogger.php:27
Stack trace:
#0 {main}
thrown in /home/appgulf1/elevator.hifisys.com/elevator/vendor/symfony/console/Logger/ConsoleLogger.php on line 27