Fatal error: Uncaught Error: Call to undefined function register_block_type() in /homepages/38/d558609185/htdocs/2017/wp-content/plugins/uji-countdown/src/blocks.php:65
Stack trace:
#0 /homepages/38/d558609185/htdocs/2017/wp-includes/class-wp-hook.php(286): uji_countdown_2020_uji_block_assets('')
#1 /homepages/38/d558609185/htdocs/2017/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(Object(RegenerateThumbnails), Array)
#2 /homepages/38/d558609185/htdocs/2017/wp-includes/plugin.php(453): WP_Hook->do_action(Array)
#3 /homepages/38/d558609185/htdocs/2017/wp-settings.php(450): do_action('init')
#4 /homepages/38/d558609185/htdocs/2017/wp-config.php(81): require_once('/homepages/38/d...')
#5 /homepages/38/d558609185/htdocs/2017/wp-load.php(37): require_once('/homepages/38/d...')
#6 /homepages/38/d558609185/htdocs/2017/wp-blog-header.php(13): require_once('/homepages/38/d...')
#7 /homepages/38/d558609185/htdocs/2017/index.php(17): require('/homepages/38/d...')
#8 {main}
thrown in /homepages/38/d558609185/htdocs/2017/wp-content/plugins/uji-countdown/src/blocks.php on line 65