i have the same problem. Installation is not possible as usual. I already installed the newest version of betheme. When i try to install the plugins WP-Bakery, Layer Slider and Revolution Slider the system says this:
The package could not be installed. This plugin contains no files.
Comments
The package could not be installed. This plugin contains no files.
Plugin installation failed.
this message could mean that your license key is used on more than one domain.
Please use this tool to manage your license keys:
http://forum.muffingroup.com/betheme/discussion/36219/cannot-register-deregister-your-license-key-use-this-tool#latest
thanks