TYPO3 Exception 1476050190
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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 TYPO3CMSBackendRoutingExceptionRouteNotFoundException 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 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.