The XSET keyword option with value value has been specified for session session_id. The value specified is invalid. The reason for the error is identified by the specified return code and reason code.
XRC functions are active.
As a result of the error, the function requested by the XSET command is not performed. The most likely cause is that an invalid value has been specified for the option. Correct the error and reissue the command. If you issued the command and this message has not been displayed at either the system console log or at the user ID specified by the MSGROUTEID parameter, see message ANTT0099I.
Extended remote copy (XRC).