On start: SGalinski\Lfeditor\Utility\Typo3Lib::transTypo3File(): Return value must be of type string, array returned

TYPO3 v.12.4.15, PHP 8.2

After install and config the path, i become this error:

SGalinski\Lfeditor\Utility\Typo3Lib::transTypo3File(): Return value must be of type string, array returned in /var/www/vhosts/metzgerei-kieffer.de/kieffer.1qn.de/typo3conf/ext/lfeditor/Classes/Utility/Typo3Lib.php line 126

Core: Exception handler (WEB): Uncaught TYPO3 Exception: SGalinski\Lfeditor\Utility\Typo3Lib::transTypo3File(): Return value must be of type string, array returned | TypeError thrown in file /var/www/vhosts/metzgerei-kieffer.de/kieffer.1qn.de/typo3conf/ext/lfeditor/Classes/Utility/Typo3Lib.php in line 126. Requested URL: https://www.domain.de/typo3/module/user/lfeditor/General/general?token=--AnonymizedToken--

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