error codes can differ.
error code:02E4, means that you tried to connect to cloudlink websocket server, but it either, isn't one, or its a fake websocket server.
error code:0EF5, basically, if you lost connection to a server. e.g. if your wifi disconnects.
error code:0GR8, 0JQ0, 0AM3: 0GR8 means you are account banned (temp), 0JQ0 means your account banned (perm), 0AM3 means your IP banned (perm ofc) or your account, internet cannot be authorised.
thats all