Unable to install plugins on multisite

mapurr

I have a multisite and having trouble installing some of the plugins, like Header Builder, WPBakery Page Builder & Slider Revolution, with the following error:

The package could not be installed. The plugin contains no files.

How can I fix this? Thanks!

Pablo

Hey,

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

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