Exception when saving new constant

Ticket on Forge: https://forge.typo3.org/issues/75039

Author: Josef Glatz

Description:

#1289386765: Could not analyse class: "SGalinski\Lfeditor\Service\FileBackupService" maybe not loaded or no autoloader? PHP Warning: Declaration of SGalinski\Lfeditor\Service\FileBackupService::init($file, $path, $metaFile) should be compatible with SGalinski\Lfeditor\Service\FileService::init($file, $path) in /app/web/typo3conf/ext/lfeditor/Classes/Service/FileBackupService.php line 0