How To Fix SIW044 - Mapping check failed; field &1 refers to &2 but is not attribute

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 044

• Message text: Mapping check failed; field &1 refers to &2 but is not attribute

What causes this issue?

The mapping check was not successful. This is due to an inconsistency in
the mapping information. The indicated field is referenced as a
dependent field, but it is not an attribute.

System Response

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

How to fix this error?

You must change the mapping by replacing the indicated field with an
attribute.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW044 - Mapping check failed; field &1 refers to &2 but is not attribute ?

  The SAP error message SIW044 indicates that there is a mapping issue in your SAP system, specifically related to the data model or data mapping configuration. The message states that a field (denoted as &1) refers to an object (denoted as &2), but the field is not recognized as an attribute of that object. This typically occurs in the context of data modeling, such as when working with SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  
  Incorrect Mapping: The field you are trying to map does not exist as an attribute in the specified object. This could be due to a typo, a change in the data model, or an incorrect configuration.
  Data Model Changes: If the underlying data model has been modified (e.g., attributes added or removed), the mapping may no longer be valid.
  Inconsistent Data Sources: The data source you are using may not be aligned with the expected structure, leading to discrepancies in field definitions.
  
  Solution:
  
  Check Field Definitions: Verify that the field &1 is correctly defined as an attribute of the object &2. You can do this by checking the data model or the relevant InfoObject in SAP BW.
  Update Mapping: If the field is not an attribute, you may need to either:
  
  Change the mapping to refer to a valid attribute.
  Add the field as an attribute to the object if it is supposed to be part of the data model.
  
  
  Review Data Model Changes: If there have been recent changes to the data model, ensure that all mappings are updated accordingly to reflect those changes.
  Check Data Source: Ensure that the data source you are using is correctly configured and that it matches the expected structure of the target object.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like RSA1 (Data Warehousing Workbench) to check InfoObjects and their attributes.
  Documentation: Refer to SAP documentation for details on data modeling and mapping configurations.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error message.
  Testing: After making changes, test the mapping again to ensure that the error is resolved.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.