Fatal error: Uncaught Error: Call to undefined function register_block_type() in /home/wk1y93a0z8db/public_html/wp-content/plugins/collapsing-archives/collapsArch.php:212 Stack trace: #0 /home/wk1y93a0z8db/public_html/wp-includes/class-wp-hook.php(286): create_block_collapsArch_block_init('') #1 /home/wk1y93a0z8db/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/wk1y93a0z8db/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/wk1y93a0z8db/public_html/wp-settings.php(450): do_action('init') #4 /home/wk1y93a0z8db/public_html/wp-config.php(91): require_once('/home/wk1y93a0z...') #5 /home/wk1y93a0z8db/public_html/wp-load.php(37): require_once('/home/wk1y93a0z...') #6 /home/wk1y93a0z8db/public_html/wp-blog-header.php(13): require_once('/home/wk1y93a0z...') #7 /home/wk1y93a0z8db/public_html/index.php(17): require('/home/wk1y93a0z...') #8 {main} thrown in /home/wk1y93a0z8db/public_html/wp-content/plugins/collapsing-archives/collapsArch.php on line 212