Bug #98147
Updated by Torben Hansen over 2 years ago
The following PHP warning is thrown, when an empty FlexForm is provided: <pre> Core: Error handler (BE): PHP Warning: Undefined array key "sDEF" in /path/to/website/public/typo3/sysext/backend/Classes/Form/Container/FlexFormNoTabsContainer.php line 58 </pre> The issue only occurs using PHP 8+