Fatal error: Uncaught Error: Class "TYPO3\CMS\Form\Domain\Model\Exception" not found in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-form/Classes/Domain/Model/Exception/DuplicateFormElementException.php:26 Stack trace: #0 {main} thrown in /home/cmsshareacopy/public_html/TYPO3/vendor/typo3/cms-form/Classes/Domain/Model/Exception/DuplicateFormElementException.php on line 26