The connection has not been established yet error on console just after onclose event is triggred.

[sparkwork992]

I am getting the following error on close in production
min-bower-20180201_224511-57e1187.js:136 Error: InvalidStateError: The connection has not been established yet
at d.send (min-bower-20180201_224511-57e1187.js:21168)
at b._transmit (min-bower-20180201_224511-57e1187.js:21169)
at b.disconnect (min-bower-20180201_224511-57e1187.js:21170)
at Object.disconnect (min-bower-20180201_224511-57e1187.js:21177)
at websocketService.disconnect (min-app-20180201_224511-57e1187.js:28986)
at min-app-20180201_224511-57e1187.js:28856
at m.$emit (min-bower-20180201_224511-57e1187.js:164)
at onClose (min-app-20180201_224511-57e1187.js:492)
at d.sock.onclose (min-app-20180201_224511-57e1187.js:499)
at d.c.dispatchEvent (min-bower-20180201_224511-57e1187.js:21168)

[beevelop]

Can you provide the code snippet used to provoke this issue? Is this behavior reproducible?