How To Fix RS_B4HANA_RC127 - Transformation must be adjusted manually

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_B4HANA_RC -

• Message number: 127

• Message text: Transformation must be adjusted manually

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_B4HANA_RC127 - Transformation must be adjusted manually ?

  The SAP error message RS_B4HANA_RC127, which states "Transformation must be adjusted manually," typically occurs in the context of data transformations in SAP BW/4HANA or SAP BW on HANA environments. This error indicates that the system has detected a transformation that requires manual intervention due to changes in the underlying data model or other related configurations.
  Cause:
  
  Changes in Data Model: The underlying data model (e.g., InfoObjects, DataSources, or InfoProviders) has been modified, which may affect the transformation logic.
  Incompatibility: The transformation may not be compatible with the new data model or the new version of SAP BW/4HANA.
  Missing Mapping: There may be missing or incorrect mappings between source and target fields in the transformation.
  Data Type Changes: Changes in data types of fields can lead to incompatibility in the transformation logic.
  
  Solution:
  To resolve the RS_B4HANA_RC127 error, follow these steps:
  
  Open the Transformation: Go to the Data Warehousing Workbench (transaction code RSA1) and locate the transformation that is causing the error.
  Check for Warnings/Errors: Review the transformation for any warnings or errors that may indicate what needs to be adjusted.
  Adjust Mappings: Ensure that all source fields are correctly mapped to the target fields. If there are any changes in the data model, update the mappings accordingly.
  Review Data Types: Check the data types of the source and target fields. If there are discrepancies, adjust the transformation to ensure compatibility.
  Test the Transformation: After making adjustments, test the transformation to ensure it works as expected.
  Activate the Transformation: Once adjustments are made and tested, activate the transformation to apply the changes.
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed guidance on transformations in SAP BW/4HANA.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  Community Forums: Engage with the SAP Community or forums for shared experiences and solutions from other users who may have encountered the same issue.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to resolve the RS_B4HANA_RC127 error and ensure that your transformations are functioning correctly.