Fatal error: Uncaught Error: Call to undefined function register_block_type() in /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php:20 Stack trace: #0 /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php(131): QLIGG_Block_Controller->init() #1 /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php(137): QLIGG_Block_Controller::instance() #2 /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/includes/backend.php(38): include_once('/customers/5/5/...') #3 /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/includes/backend.php(13): QLIGG_Backend->includes() #4 /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/includes/backend.php(74): QLIGG_Backend::instance() #5 /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/inc in /customers/5/5/c/kirstenbukager.com/httpd.www/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php on line 20