A problem was flagged by the CHECK function because either the return code is in a list of bad return codes, or the return code is not on a list of good ones.
The task responds according to the data map definitions in
Properties > Data Checking > How do you want to handle Record Mapping Errors
. Usually, this value is set to “Terminate the data extract” or “skip row.”
Identify the invalid E Field by using message PWX-02603. Determine where the return code was set and react accordingly. Typically this means fixing something in an external routine called by the CALLPROG function.