-211 RQMRILOW ERR NOT MRI (Magic xpa 3.x)
An internal error was caught while receiving a message from a peer.
Scenario #1: The peer was not a Magic xpa module; a message was sent by another TCP/IP module, such as Internet Explorer.
Scenario #2: The peer did not set the EncryptedCommunication keyword in the Mgreq.ini file or set a mismatched value in the keyword.