Fatal error: Uncaught Error: Call to undefined function is_mobile() in /home/fknews/fknews-2ch.net/public_html/wp-content/themes/simplicity2/functions.php:17 Stack trace: #0 /home/fknews/fknews-2ch.net/public_html/wp-settings.php(387): include() #1 /home/fknews/fknews-2ch.net/public_html/wp-config.php(97): require_once('/home/fknews/fk...') #2 /home/fknews/fknews-2ch.net/public_html/wp-load.php(39): require_once('/home/fknews/fk...') #3 /home/fknews/fknews-2ch.net/public_html/wp-blog-header.php(13): require_once('/home/fknews/fk...') #4 /home/fknews/fknews-2ch.net/public_html/index.php(17): require('/home/fknews/fk...') #5 {main} thrown in /home/fknews/fknews-2ch.net/public_html/wp-content/themes/simplicity2/functions.php on line 17