Fatal error: Uncaught Error: Class "TYPO3\CMS\Core\Page\JavaScriptModuleInstruction" not found in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-backend/Configuration/Backend/T3editor/Modes.php:10 Stack trace: #0 {main} thrown in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-backend/Configuration/Backend/T3editor/Modes.php on line 10