Fatal error: Uncaught Error: Call to a member function height() on null in /srv/users/serverpilot/apps/dk-php-kirby/public/site/snippets/header.php:8 Stack trace: #0 /srv/users/serverpilot/apps/dk-php-kirby/public/kirby/toolkit/lib/tpl.php(22): require() #1 /srv/users/serverpilot/apps/dk-php-kirby/public/kirby/kirby/component/snippet.php(38): Tpl::load('/srv/users/serv...', Array, false) #2 /srv/users/serverpilot/apps/dk-php-kirby/public/kirby/helpers.php(12): Kirby\Component\Snippet->render('header', Array, false) #3 /srv/users/serverpilot/apps/dk-php-kirby/public/site/templates/project.php(1): snippet('header') #4 /srv/users/serverpilot/apps/dk-php-kirby/public/kirby/toolkit/lib/tpl.php(22): require('/srv/users/serv...') #5 /srv/users/serverpilot/apps/dk-php-kirby/public/kirby/kirby/component/template.php(86): Tpl::load('/srv/users/serv...', NULL, true) #6 /srv/users/serverpilot/apps/dk-php-kirby/public/kirby/kirby.php(619): Kirby\Component\Template->render(Object(Page), Array) #7 /srv/users/serverpilot/apps/dk-php-kirb in /srv/users/serverpilot/apps/dk-php-kirby/public/site/snippets/header.php on line 8