Fatal error: Uncaught Error: Call to undefined function register_block_type() in /home/user1147486/www/kraism.by/wp-content/plugins/uji-countdown/src/blocks.php:65 Stack trace: #0 /home/user1147486/www/kraism.by/wp-includes/class-wp-hook.php(286): uji_countdown_2020_uji_block_assets('') #1 /home/user1147486/www/kraism.by/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(Object(RegenerateThumbnails), Array) #2 /home/user1147486/www/kraism.by/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /home/user1147486/www/kraism.by/wp-settings.php(450): do_action('init') #4 /home/user1147486/www/kraism.by/wp-config.php(88): require_once('/home/user11474...') #5 /home/user1147486/www/kraism.by/wp-load.php(37): require_once('/home/user11474...') #6 /home/user1147486/www/kraism.by/wp-blog-header.php(13): require_once('/home/user11474...') #7 /home/user1147486/www/kraism.by/index.php(17): require('/home/user11474...') #8 {main} thrown in /home/user1147486/www/kraism.by/wp-content/plugins/uji-countdown/src/blocks.php on line 65