ANTC5400E

Explanation
The XCOUPLE command with option option
failed with return code return_code and reason
code reason_code for master session msession_id with
master high-level qualifier of mhlq. If the values
of msession_id or mhlq cannot
be determined (for example, for XCOUPLE DELETE when the session is
not coupled), the items with asterisks (*) indicate that the values
are not known.
entity
This indicates what kind of XRC entity the message refers to.
The valid values are:SESSION
The message refers to an XRC session.
CLUSTER
The message refers to a XRC cluster.

System action
XRC functions are active.

System programmer response
See Table 1 for
an explanation of the return and reason codes. Correct the error and
reenter the command.

Source
Extended remote copy (XRC).