Unable to get environments from Puppet ([Errno::ECONNRESET]: Connection reset by peer) for proxy

Hi Team,

I am getting this error while importing puppet classes from one of my
puppetmaster server "ERF12-2749 [ProxyAPI::ProxyException]: Unable to get
environments from Puppet ([Errno::ECONNRESET]: Connection reset by peer)
for proxy ", Please let me know if you have any answer for this error.

Thanks,

Tarak