.. include:: /Includes.rst.txt ========================== TYPO3 Exception 1476050190 ========================== .. include:: /If-you-encounter-this-exception.rst.txt TYPO3 13.4.4 - 25.01.2025 ========================= When trying to view the Content Security Policy backend module throws error if EXT:lowlevel is not installed. .. error:: (1/1) #1476050190 TYPO3\CMS\Backend\Routing\Exception\RouteNotFoundException Unable to generate a URL for the named route "system_config" because this route was not found. See also https://forge.typo3.org/issues/105988 Can be solved by installing :composer:`typo3/cms-lowlevel`. On accesssing the admin tool from the backend ============================================= Access the the install tool directly(via typo3/install.php) and clear all caches. This helped in TYPO3 9.5.