Button "Attach Media" does not work in the mobile version

Hello, I installed a version of our website Responsive RtMedia. The button “Attach Media” works fine in the desktop version, but it absolutely does not work (nothing happens when you click) in the mobile version. The site is responsive and everything works except the button “Attach Media.” Can you help me, for me it is very important?
I enclose below the “Debug Info”:

Site URL http://www.frequencythegame.com
PHP 5.3.28
MYSQL 5.5.35
WordPress 3.8
BuddyPress 1.9.1-7716
rtMedia 3.5
OS Linux
Imagick ImageMagick 6.8.6-1 2013-06-24 Q16 www.imagemagick.org
GD bundled (2.1.0 compatible)
[php.ini] post_max_size 30M
[php.ini] upload_max_filesize 25M
[php.ini] memory_limit 256M
Installed Plugins BadgeOS Leaderboards Add-On da Credly versione 1.0.3,
Akismet da Automattic versione 2.5.9,
BadgeOS BadgeStack Add-On da Credly versione 1.0.1,
BadgeOS Community Add-On da Credly versione 1.1.1,
BadgeOS LearnDash Add-On da Credly versione 1.0.0,
BadgeOS da Credly versione 1.3.3,
rtMedia for WordPress, BuddyPress and bbPress da rtCamp versione 3.5,
BuddyPress da The BuddyPress Community versione 1.9.1,
HashBuddy da modemlooper versione 1.5.1,
Restricted Site Access da Jake Goldman, 10up, Oomph versione 5.0.1,
Revolution Slider da ThemePunch versione 4.1.4,
LearnDash LMS da LearnDash versione,
Importatore WordPress da wordpressdotorg versione 0.6.1
Theme Name Sweetdate Child
Theme Version 2.3.1
Author URL http://seventhqueen.com
Template Overrides plugins/buddypress-media/templates/media/album-gallery-item.php,

The Sweetdate theme is compatible with our rtMedia. Both, plugin and theme work fine with each other.
Can you please try by deactivating other plugins one by one? Hope that helps.