Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/index.php:3) in /var/www/html/wp-content/plugins/shorten-url/shorten-url.php on line 960

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/index.php:3) in /var/www/html/wp-content/plugins/shorten-url/shorten-url.php on line 962