Fatal error: Uncaught Error: Call to undefined function register_block_type() in /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-content/plugins/uji-countdown/src/blocks.php:65 Stack trace: #0 /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-includes/class-wp-hook.php(298): uji_countdown_2020_uji_block_assets('') #1 /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #2 /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-settings.php(449): do_action('init') #4 /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-config.php(90): require_once('/data/web/virtu...') #5 /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-load.php(37): require_once('/data/web/virtu...') #6 /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-blog-header.php in /data/web/virtuals/77546/virtual/www/domains/pomahamesrdcem.cz/wp-content/plugins/uji-countdown/src/blocks.php on line 65