If you logged in as a simple editor, an error message appears:
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Argument 1 passed to TYPO3\CMS\Core\FormProtection\FormProtectionFactory::getMessageClosure() must be an instance of TYPO3\CMS\Lang\LanguageService, null given, called in /xxx/vendor/typo3/cms/typo3/sysext/core/Classes/FormProtection/FormProtectionFactory.php on line 113
If you logged in as a simple editor, an error message appears: Oops, an error occurred! Argument 1 passed to TYPO3\CMS\Core\FormProtection\FormProtectionFactory::getMessageClosure() must be an instance of TYPO3\CMS\Lang\LanguageService, null given, called in /xxx/vendor/typo3/cms/typo3/sysext/core/Classes/FormProtection/FormProtectionFactory.php on line 113
frontendediting 1.2.1 TYPO3 8.7.6