A message was sent, or arrived, in a state that does not allow it. side
says who broke the rules: client for a request this process made, thrown
from the request method before anything is sent, or node for a message the
node sent, reported as an error event after which the connection is closed.
A message was sent, or arrived, in a state that does not allow it.
sidesays who broke the rules:clientfor a request this process made, thrown from the request method before anything is sent, ornodefor a message the node sent, reported as anerrorevent after which the connection is closed.