I'am getting an error after i clicked on the menu button in backend.
[2019-06-07 16:03:17] request.CRITICAL: Uncaught PHP Exception Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException: "The "oneup_contao_security_checker.security_checker" service or alias has been removed or inlined when the container was compiled. You should either make it public, or stop using the container directly and use dependency injection instead." at /var/www/w35gbmh/htdocs/contao/vendor/symfony/dependency-injection/Container.php line 263 {"exception":"[object] (Symfony\\Component\\DependencyInjection\\Exception\\ServiceNotFoundException(code: 0): The \"oneup_contao_security_checker.security_checker\" service or alias has been removed or inlined when the container was compiled. You should either make it public, or stop using the container directly and use dependency injection instead. at /var/www/w35gbmh/htdocs/contao/vendor/symfony/dependency-injection/Container.php:263)"} []
I'am getting an error after i clicked on the menu button in backend.
I'am using Contao 4.8 with PHP 7.3