IBM 3270 Manual page 278

INDXF020
Transfer of current file is
canceled
Explanation: This message appears with
messages INDXF005 through INDXF007,
INDXF012, and INDXF017.
User Response: None.
INDXF
INDXF021 Unable to access host window
Explanation: The Transfer program was unable
to access the host window. This may be due to
another personal computer program currently
having access to that host window.
User Response: Go back to Chapter 13, and
continue with question 2 to locate the cause of
the failure.
INDXF022
Host rejected previous file
transfer
Explanation: Ths message appears when the
host rejects a transmission that the Transfer
program assumed was successful. The Transfer
program is waiting for a new request from the
host. INDXF034 follows this message.
User Response: See the user response for
message INDXF034.
INDXF023 Keyboard connect return code -
xxx x
Explanation: The Transfer program was not
able to connect to the keyboard of the host
session.
User Response: Go back to Chapter 13, and
continue with question 2 to locate the cause of
the failure.
Appendix A. Messages 'A-93