IFC104I ddname NOT OPEN WHEN {READ|WRITE} REQUESTED
Explanation
(MVS and VM) The named data set is not open when a read or write is requested.
System action
The request is ignored. No further input is processed.
Programmer response
Make sure the DD statements and FILEDEFS are correct, and rerun EREP. If the problem persists, perform problem determination.
Problem determination
Table 1, items 1, 2, 4.