4B24I P PROGRAM CK SYSnnn=cuu TI=xxxx DC=dddddddddd DECB=aaaaaa
Cause: Programming error detected by channel.
System Action: See the preamble to this section.
Programmer Action: The command address portion of the CSW contains, in most cases, the
address+8 of the CCW in error. If this directs you to a user supplied channel program,
examine it closely for possible errors.
If the problem persists, have the
· system dump, if provided, or
· main storage dump, after the message is printed, that includes the problem program area
· system log
· problem program listing, with in-line macro expansions
available for problem determination.
Operator Action: none.
Used with Courtesy and Permission of International Business Machines, Inc.