Fatal error: Uncaught Error: Call to undefined function xdebug_disable() in /var/www/magento/composer/vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/_bootstrap.php:73 Stack trace: #0 /var/www/magento/composer/vendor/composer/autoload_real.php(70): require() #1 /var/www/magento/composer/vendor/composer/autoload_real.php(60): composerRequireea892df895bde78ff6392d5fe07d398b('eda65932675b68b...', '/var/www/magent...') #2 /var/www/magento/composer/vendor/autoload.php(7): ComposerAutoloaderInitea892df895bde78ff6392d5fe07d398b::getLoader() #3 /var/www/magento/composer/app/autoload.php(30): include('/var/www/magent...') #4 /var/www/magento/composer/app/bootstrap.php(33): require_once('/var/www/magent...') #5 /var/www/magento/composer/pub/index.php(13): require('/var/www/magent...') #6 {main} thrown in /var/www/magento/composer/vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/_bootstrap.php on line 73