Fatal error: Uncaught Error: Class 'TYPO3\CMS\Core\Package\FailsafePackageManager' not found in /var/www/typo3/vendor/helhum/typo3-console/Classes/Console/Package/UncachedPackageManager.php:19 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/helhum/typo3-console/Classes/Console/Package/UncachedPackageManager.php on line 19