How To Fix SIW042 - Reference field missing in &1 &2

SIW042 - Overview

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 042

• Message text: Reference field missing in &1 &2

What causes this issue?

The system has checked the existing mapping information and has
identified missing information. Some fields require reference field
information (for example the fields of the field types <NP>amount</> and
<NP>quantity)</>. The reference field is missing for the identified
field.

System Response

The system terminates processing and does not execute subsequent steps
such as proxy generation or generation of implementations.

How to fix this error?

Enter the relevant reference field on the mapping screen.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

SIW042 - Details

• The SAP error message SIW042, which states "Reference field missing in &1 &2," typically occurs in the context of SAP's Information Steward or Data Services when there is an issue with the data quality or data profiling process. This error indicates that a reference field, which is expected to be present in the specified data object (like a table or a data flow), is missing.
  
  Cause:
  
  
  Missing Reference Field: The primary cause of this error is that the data structure (like a table or a data flow) does not contain a field that is expected to be there. This could be due to:
  
  Changes in the data model where the reference field was removed or renamed.
  Incorrect configuration or mapping in the data flow.
  Data extraction issues where the reference field was not included in the extraction process.
  
  
  
  Data Quality Issues: If the data is being validated or profiled, the absence of a reference field can