Fatal error: Uncaught Error: Call to undefined function json_decode() in /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/functions.php:4666 Stack trace: #0 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/blocks.php(372): wp_json_file_decode() #1 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/blocks.php(491): get_block_metadata_i18n_schema() #2 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/blocks/legacy-widget.php(68): register_block_type_from_metadata() #3 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/class-wp-hook.php(324): register_block_core_legacy_widget() #4 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #5 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/plugin.php(517): WP_Hook->do_action() #6 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-settings.php(704): do_action() #7 /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-config.php(94): require_once('/var/www/home/ in /var/www/home/sindenden.co.jp/html/wp_shindenden/wp-includes/functions.php on line 4666