Fatal error: Uncaught Error: Call to undefined function register_block_type() in /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-content/plugins/ninja-forms/blocks/bootstrap.php:21 Stack trace: #0 /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-includes/class-wp-hook.php(286): Ninja_Forms::{closure}('') #1 /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(true, Array) #2 /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-settings.php(450): do_action('init') #4 /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-config.php(95): require_once('/home/clients/c...') #5 /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-load.php(37): require_once('/home/clients/c...') #6 /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-blog-header.php(13): require_once('/home/clients/c...') #7 /home/clients/c8daff90b0ac2d942859424a842d105c/web/index.php( in /home/clients/c8daff90b0ac2d942859424a842d105c/web/wp-content/plugins/ninja-forms/blocks/bootstrap.php on line 21