There is some conflict with the other extension that is happening here, we can also see an error in the console.
If you like our support and products, tweet us at joomdev and let the world know about it.
JoomDev is not affiliated with or endorsed by Open Source Matters or the Joomla! Project. The Joomla! logo is used under a limited license granted by Open Source Matters the trademark holder in the United States and other countries.