(aa....aa:bb....bb) An I/O error occurred during processing to access the physical file of the dd....dd system specified for cc....cc:jnladdpf (ee....ee)..

For details about the message types and problem identification codes, see the explanation of the definition check command in the manual OpenTP1 System Definition.

aa....aa: Message type

bb....bb: Problem identification code

cc....cc: Name of the definition command being checked

dd....dd: System (A or B) in which an error was detected

ee....ee: File name specified for the physical file

S: Continues processing.

Countermeasure: Check if the disk unit has any problems.