Theme Drawer

It may be as simple as clearing your browser cache. Give that a shot and see if it solves your issue.

If you need help with instructions on how to do this you can refer to this post which walks through all popular browsers.

https://www.wikihow.com/Clear-Your-Browser%27s-Cache#Safari_for_iOS.2C_iPhone_and_iPad

Hope it helps

I was trying to use the Genesis Connect for WooCommerce plugin on a multisite and was getting the same error.

I got it to work by not network activating it but by activating it on the individual sites within the multisite.