Vesta Control Panel - Forum

Update

After some searching I found one option :

1. disable in the proxy extensions the js-files
2. disable the caching of javascript files in the .htaccess file
3. in the service worker create an application cache for all other js files.

Service workers enable web developers to create an application cache. A kind of local cache that is check before a request is sent to the server. So with service workers it is possible to make a web application offline available. (It is being pushed rather fanatically by Chrome (Google).) Service wo...

I had this error on a freshly debian 8.8 install.
After some debugging I noticed curl was not installed with SSL.

So when encountering this error:
1. check if curl is installed
2. check if curl has the HTTPS protocol
(command : "curl -V")