.. include:: /Includes.rst.txt ========================== TYPO3 Exception 1294585866 ========================== .. include:: /If-you-encounter-this-exception.rst.txt No class named "..." ==================== Check your source code for occurrences of that class name. Usually happens if a hook is registered with a wrong class name/reference. Possible solution: Legacy installation: * Try to use the :guilabel:`Admin Tools > Maintenance` backend module: Rebuild PHP Autoload Information Composer-based installation: * composer dump-autoload