Ace War private message cannot be sent out

The Ace War private message cannot be sent because it does not have the permission to send private message. According to the query of relevant information: When playing Ace War, I found that private messages could not be sent. Please confirm whether you have the permission to send private messages, check the network connection, try to reconnect to the network, and check whether the client version is too old. It is normal. Gaming experience requires the latest client version.