Getting the following when choosing from media library

Getting the following when choosing from media library trying to upload a logo to Subscribe by Email

Warning: Cannot modify header information - headers already sent by (output started at /home3/tactica/public_html/dolphriends.com/wp-admin/includes/template.php:1706) in /home3/tactica/public_html/dolphriends.com/wp-content/plugins/aio-cache/resources/cachehead/aio-cachehead.php on line 9

Warning: Cannot modify header information - headers already sent by (output started at /home3/tactica/public_html/dolphriends.com/wp-admin/includes/template.php:1706) in /home3/tactica/public_html/dolphriends.com/wp-content/plugins/aio-cache/resources/cachehead/aio-cachehead.php on line 10

Warning: Cannot modify header information - headers already sent by (output started at /home3/tactica/public_html/dolphriends.com/wp-admin/includes/template.php:1706) in /home3/tactica/public_html/dolphriends.com/wp-content/plugins/aio-cache/resources/cachehead/aio-cachehead.php on line 16