Fatal error: Uncaught Error: Call to undefined function register_block_type() in /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/content/plugins/ninja-forms/blocks/bootstrap.php:21 Stack trace: #0 /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/app/wp-includes/class-wp-hook.php(286): Ninja_Forms::{closure}('') #1 /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/app/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(true, Array) #2 /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/app/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/app/wp-settings.php(450): do_action('init') #4 /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/wp-config.php(7): require_once('/home/clients/5...') #5 /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/app/wp-load.php(42): require_once('/home/clients/5...') #6 /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/app/wp-blog-header.php(13): require_once('/home/clients/5...') #7 /home/clients/5ef2505efb7500ccfa7cf3d2fbc in /home/clients/5ef2505efb7500ccfa7cf3d2fbc9416f/web/content/plugins/ninja-forms/blocks/bootstrap.php on line 21