don't internal error msg spam

server/src/events.rs

@@ -310,7 +310,7 @@ impl Events {
                         .ok_or(format_err!("connection not found id={:?}", id))?;
 
                     if c.chat.is_some() {
-                        return Err(err_msg("you must wait"));
+                        return Ok(());
                     }
 
                     c.chat = Some((instance, msg));