commit 572a51c

Fix warning message on server without METADATA and SASL

 1@@ -2037,9 +2037,15 @@ func (s *Session) handleMessageRegistered(msg Message, playback bool) (Event, er
 2 				return nil, nil
 3 
 4 			}
 5-			if msg.Command == errUnknowncommand && msg.Params[1] == "BOUNCER" {
 6-				// ignore any error in response to unconditional BOUNCER LISTNETWORKS
 7-				return nil, nil
 8+			if msg.Command == errUnknowncommand {
 9+				switch msg.Params[1] {
10+				case "BOUNCER":
11+					// ignore any error in response to unconditional BOUNCER LISTNETWORKS
12+					return nil, nil
13+				case "METADATA":
14+					// ignore any error in response to unconditional METADATA SUB
15+					return nil, nil
16+				}
17 			}
18 			return ErrorEvent{
19 				Severity: ReplySeverity(msg.Command),