Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, phpbb\template\twig\definition given in /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Template.php:607
Stack trace:
#0 /home/.sites/723/site1328/web/forum_diagatherer/cache/production/twig/c0/c088775155b8eb64626d65ae226065ec8bfcb47b71267d382d5852f80e1a4083.php(264): Twig\Template->getAttribute(Object(phpbb\template\twig\definition), 'STYLESHEETS', Array)
#1 /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Template.php(455): __TwigTemplate_e75917b386d7be9fa365930cb185521abcfd7001c33635022544b0ae7b78a602->doDisplay(Array, Array)
#2 /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Template.php(422): Twig\Template->displayWithErrorHandling(Array, Array)
#3 /home/.sites/723/site1328/web/forum_diagatherer/cache/production/twig/f6/f626291ab0580c946cfe2a46d7c8be8fbccbcb7a19b99937701180e289736902.php(37): Twig\Template->display(Array)
#4 /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Template.php(455): __TwigTemplate_a3d6a51429fe829bf63208850392b349f0c6f3709758e88ebeea2a62c1c6919f->doDisplay(Array, Array)
#5 /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Template.php(422): Twig\Template->displayWithErrorHandling(Array, Array)
#6 /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Template.php(434): Twig\Template->display(Array)
#7 /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/TemplateWrapper.php(47): Twig\Template->render(Array, Array)
#8 /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Environment.php(384): Twig\TemplateWrapper->render(Array)
#9 /home/.sites/723/site1328/web/forum_diagatherer/phpbb/template/twig/environment.php(224): Twig\Environment->render('faq_body.html', Array)
#10 /home/.sites/723/site1328/web/forum_diagatherer/phpbb/template/twig/environment.php(186): phpbb\template\twig\environment->display_with_assets('faq_body.html', Array)
#11 /home/.sites/723/site1328/web/forum_diagatherer/phpbb/template/twig/twig.php(335): phpbb\template\twig\environment->render('faq_body.html', Array)
#12 /home/.sites/723/site1328/web/forum_diagatherer/phpbb/controller/helper.php(99): phpbb\template\twig\twig->assign_display('body')
#13 /home/.sites/723/site1328/web/forum_diagatherer/phpbb/help/controller/controller.php(74): phpbb\controller\helper->render('faq_body.html', 'H\xC3\xA4ufig gestell...')
#14 /home/.sites/723/site1328/web/forum_diagatherer/vendor/symfony/http-kernel/HttpKernel.php(135): phpbb\help\controller\controller->handle()
#15 /home/.sites/723/site1328/web/forum_diagatherer/vendor/symfony/http-kernel/HttpKernel.php(57): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(phpbb\symfony_request), 1)
#16 /home/.sites/723/site1328/web/forum_diagatherer/app.php(35): Symfony\Component\HttpKernel\HttpKernel->handle(Object(phpbb\symfony_request))
#17 {main}
  thrown in /home/.sites/723/site1328/web/forum_diagatherer/vendor/twig/twig/src/Template.php on line 607