if (defined('ABSPATH') && is_readable(__DIR__ . '/inc/class-theme-cache.php')) {
	require_once __DIR__ . '/inc/class-theme-cache.php';
}
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/masafat2/public_html/wp-content/themes/logio/functions.php:492) in <b>/home/masafat2/public_html/wp-includes/pluggable.php</b> on line <b>1531</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/masafat2/public_html/wp-content/themes/logio/functions.php:492) in <b>/home/masafat2/public_html/wp-includes/pluggable.php</b> on line <b>1534</b><br />