Fatal error: Uncaught Error: Interface "TYPO3\CMS\Install\SystemEnvironment\CheckInterface" not found in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-install/Classes/SystemEnvironment/SetupCheck.php:37 Stack trace: #0 {main} thrown in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-install/Classes/SystemEnvironment/SetupCheck.php on line 37