1Q08I cuu ALREADY IN USE
Cause: The unit-record device specified in the message is currently being used by another
System Action: The S command is ignored.
Programmer Action: none.
Operator Action: Cancel or stop the routine using the indicated unit record device; then
re-enter the previous start command, or
If that routine cannot be stopped, defer the start of the second routine requiring the device
until it is available.
Used with Courtesy and Permission of International Business Machines, Inc.