error in process sentinel: peculiar error: "connect", :host, "identity.xero.com", :service, 443

[ryang-bgl]

the following will sometimes wait for some time and eventually give error: error in process sentinel: peculiar error: "connect", :host, "identity.xero.com", :service, 443.

maybe execute the following for multiple times, sometimes it will freeze and return the above error
`
POST https://identity.xero.com/connect/token
Authorization: Basic abcdef
Content-Type: application/x-www-form-urlencoded

grant_type=authorization_code
code=1d193b7ad9e15466d5995b23ecdee61767b9dc25298f1589cba97fc84034d480
redirect_uri=http://localhost:8888/callback/XERO_GREEN

`