Fatal error: Uncaught Error: Call to undefined function register_block_type() in /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-content/plugins/advance-custom-html/advance-custom-html.php:26 Stack trace: #0 /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-includes/class-wp-hook.php(286): ACHB_Main->init('') #1 /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-settings.php(450): do_action('init') #4 /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-config.php(101): require_once('/data/web/virtu...') #5 /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-load.php(37): require_once('/data/web/virtu...') #6 /data/web/virtuals/191779/virtual/www/domains/visu in /data/web/virtuals/191779/virtual/www/domains/visualnikomunikace.cz/wp-content/plugins/advance-custom-html/advance-custom-html.php on line 26