How To Fix RS_DB_DB6381 - Dimension change from &1 to &2 for field &3 was ignored

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_DB_DB6 - DB6-Specific Messages in SAP BW

• Message number: 381

• Message text: Dimension change from &1 to &2 for field &3 was ignored

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_DB_DB6381 - Dimension change from &1 to &2 for field &3 was ignored ?

  The SAP error message RS_DB_DB6381 indicates that there is a dimension change for a field in a data source that was ignored during the data extraction process. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is a mismatch in the data model, particularly when the structure of the data source has changed.
  Cause:
  
  Data Source Changes: The error usually arises when the underlying data source (like an InfoSource or DataSource) has been modified, and the changes are not reflected in the BW system. This can happen if fields are added, removed, or their data types are changed.
  Inconsistent Metadata: The metadata in the BW system may not match the source system, leading to discrepancies in how data is interpreted.
  Field Mappings: If the field mappings in the transformation rules are not updated to reflect the changes in the source data structure, this error can occur.
  
  Solution:
  
  Check Data Source: Verify the structure of the data source in the source system. Ensure that the fields and their data types are as expected.
  Update BW Metadata: If there have been changes in the source system, you may need to update the data source in the BW system. This can be done by:
  
  Going to the DataSource in the BW system and using the "Update" function to refresh the metadata.
  Re-activating the DataSource and any related transformations.
  
  
  Adjust Transformations: Review the transformation rules associated with the DataSource. Ensure that they are correctly mapping the fields and that any changes in the source structure are reflected in the transformation logic.
  Check InfoObjects: If the field in question is an InfoObject, ensure that its properties (like data type and length) are consistent with the source system.
  Re-activate InfoProvider: If necessary, re-activate the InfoProvider (like an InfoCube or DataStore Object) that uses the DataSource to ensure that all changes are applied.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on handling dimension changes.
  Data Modeling: Familiarize yourself with data modeling concepts in SAP BW, as understanding how data flows and is transformed can help prevent such issues.
  Testing: After making changes, perform a test load to ensure that the data is being extracted correctly and that the error does not reoccur.
  
  By following these steps, you should be able to resolve the RS_DB_DB6381 error and ensure that your data extraction processes run smoothly.