Fatal error: Uncaught Error: Call to undefined function register_block_type() in /home/lincolnmo/domains/lincoln.mo/public_html/wp-content/plugins/ninja-forms/blocks/bootstrap.php:21 Stack trace: #0 /home/lincolnmo/domains/lincoln.mo/public_html/wp-includes/plugin.php(525): Ninja_Forms::{closure}() #1 /home/lincolnmo/domains/lincoln.mo/public_html/wp-settings.php(393): do_action() #2 /home/lincolnmo/domains/lincoln.mo/public_html/wp-config.php(92): require_once('/home/lincolnmo...') #3 /home/lincolnmo/domains/lincoln.mo/public_html/wp-load.php(37): require_once('/home/lincolnmo...') #4 /home/lincolnmo/domains/lincoln.mo/public_html/wp-blog-header.php(13): require_once('/home/lincolnmo...') #5 /home/lincolnmo/domains/lincoln.mo/public_html/index.php(17): require('/home/lincolnmo...') #6 {main} thrown in /home/lincolnmo/domains/lincoln.mo/public_html/wp-content/plugins/ninja-forms/blocks/bootstrap.php on line 21