Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Argument 1 passed to Cocur\Slugify\Slugify::slugify() must be of the type string, null given, called in /var/www/html/vendor/cocur/slugify/src/Bridge/Twig/SlugifyExtension.php on line 68 in /var/www/html/vendor/cocur/slugify/src/Slugify.php:100 Stack trace: #0 /var/www/html/vendor/cocur/slugify/src/Bridge/Twig/SlugifyExtension.php(68): Cocur\Slugify\Slugify->slugify(NULL, NULL) #1 /var/www/html/app/cache/prod/twig/74/744902a61d4ec8ce0d3f639b5c79624053a4b26e58f7c01a9792ef5bcb1ff3d4.php(97): Cocur\Slugify\Bridge\Twig\SlugifyExtension->slugifyFilter(NULL) #2 /var/www/html/vendor/twig/twig/src/Template.php(405): __TwigTemplate_c013d076c4f599f95559c7ac05795ab454617425292edeb36c98d767c6f5b984->doDisplay(Array, Array) #3 /var/www/html/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling(Array, Array) #4 /var/www/html/vendor/twig/twig/src/Template.php(390): Twig\Template->display(Array) #5 /var/www/html/vendor/symfony/twig-brid in /var/www/html/vendor/cocur/slugify/src/Slugify.php on line 100