Fatal error: Uncaught TypeError: FLHM_HTML_Compression::__toString(): Return value must be of type string, null returned in /home/lifestyleb/plan-b.co.jp/public_html/elabel/cms/wp-content/themes/elabel/lib/compress.php:23 Stack trace: #0 [internal function]: FLHM_HTML_Compression->__toString() #1 /home/lifestyleb/plan-b.co.jp/public_html/elabel/cms/wp-includes/functions.php(5309): ob_end_flush() #2 /home/lifestyleb/plan-b.co.jp/public_html/elabel/cms/wp-includes/class-wp-hook.php(308): wp_ob_end_flush_all('') #3 /home/lifestyleb/plan-b.co.jp/public_html/elabel/cms/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #4 /home/lifestyleb/plan-b.co.jp/public_html/elabel/cms/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/lifestyleb/plan-b.co.jp/public_html/elabel/cms/wp-includes/load.php(1144): do_action('shutdown') #6 [internal function]: shutdown_action_hook() #7 {main} thrown in /home/lifestyleb/plan-b.co.jp/public_html/elabel/cms/wp-content/themes/elabel/lib/compress.php on line 23