Fatal error: Uncaught Error: Class "TYPO3\CMS\Install\ExtensionScanner\Php\Matcher\AbstractCoreMatcher" not found in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-install/Classes/ExtensionScanner/Php/Matcher/MethodArgumentRequiredMatcher.php:29 Stack trace: #0 {main} thrown in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-install/Classes/ExtensionScanner/Php/Matcher/MethodArgumentRequiredMatcher.php on line 29