DFS2290 INPUT MESSAGE CANNOT BE CREATED SINCE NO OUTPUT MESSAGE IN PROGRESS.

Explanation
 An output message was not in progress when input
was entered from the first physical page of a DPAGE with multiple
physical page input specified. The output message was dequeued by
a previous operator action: NXTMSG, or NXTMSGP.

System action
 The input data is ignored.

Operator response
Issue a /FOR command for the
current format to create a multiple physical page input message, a /FOR command
for a different format to create a single physical page input message,
or clear the screen and enter the data.

Problem determination
 16