Fatal error: Uncaught Error: Class 'Robo\Task\CommandStack' not found in /home/mobiledeit/www_gesmat/vendor/consolidation/robo/src/Task/Base/ExecStack.php:22 Stack trace: #0 {main} thrown in /home/mobiledeit/www_gesmat/vendor/consolidation/robo/src/Task/Base/ExecStack.php on line 22