How To Fix RSDME713 - Only Key-Field to Key-Field mapping allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 713

• Message text: Only Key-Field to Key-Field mapping allowed

What causes this issue?

Key Field is mapped to a Non-Key Field

System Response

Error

How to fix this error?

A Key Field of an ODS can only be mapped to a Model Key Field and
vice-versa. This is to aviod erroneous update of the ODS or Loss of
Information

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 RSDME713 - Only Key-Field to Key-Field mapping allowed ?

  The SAP error message RSDME713, which states "Only Key-Field to Key-Field mapping allowed," typically occurs in the context of data modeling in SAP BW (Business Warehouse) or SAP BW/4HANA. This error indicates that there is an issue with the mapping of fields in a transformation or data flow, specifically when trying to map non-key fields to key fields.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incorrect Mapping: You are trying to map a non-key field from the source to a key field in the target. In SAP BW, key fields are used for unique identification of records, and only key fields can be mapped to other key fields.
  Transformation Configuration: The transformation between the source and target objects (like InfoObjects, DataStore Objects, or InfoCubes) is incorrectly configured, leading to an invalid mapping.
  Data Source Issues: The data source may not have the correct structure or may not be aligned with the target structure.
  
  Solution:
  To resolve the RSDME713 error, you can take the following steps:
  
  
  Check Field Mappings:
  
  Open the transformation that is causing the error.
  Review the mappings between the source and target fields.
  Ensure that you are only mapping key fields to key fields. If you need to map non-key fields, ensure they are mapped to non-key fields in the target.
  
  
  
  Adjust Transformation:
  
  If you find that a non-key field is incorrectly mapped to a key field, change the mapping to align with the correct field types.
  If necessary, create new key fields in the target if they are required for your data model.
  
  
  
  Validate Data Source:
  
  Check the structure of the data source to ensure it matches the expected structure of the target.
  If the data source has changed, you may need to adjust the transformation accordingly.
  
  
  
  Test the Transformation:
  
  After making the necessary adjustments, test the transformation to ensure that it runs without errors.
  
  
  
  Consult Documentation:
  
  If you are unsure about the key and non-key fields, refer to the SAP BW documentation or the data model design guidelines for your specific version of SAP.
  
  
  
  Related Information:
  
  Key Fields: In SAP BW, key fields are used to uniquely identify records in a data model. They are essential for data integrity and performance.
  Transformation: A transformation in SAP BW is a set of rules that define how data is transferred from a source to a target object.
  Data Modeling: Understanding the principles of data modeling in SAP BW is crucial for effective data management and reporting.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting the SAP community for further assistance.