Definition of 1Q17I


Cause: The maximum number of CCBs declared by the MAXCCB POWER generation
parameter has been exceeded by the previous S command.
System Action: The S command is ignored.
Programmer Action: none.
Operator Action: Cancel or stop an active reader or writer routine if you can; then re-enter
the previous S command. Otherwise, defer starting the routine indicated until an active reader
or writer routine has been terminated.
Note: Reader and writer routines require one CCB each. A tape writer routine requires two
CCBs. An execution processor requires one CCB when spooling print output on tape and one
CCB when spooling punch output on tape.

Used with Courtesy and Permission of International Business Machines, Inc.