How To Fix R8449 - DataSource &3: Field &1 of extr struct &2 is not in the provider struct.

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 449

• Message text: DataSource &3: Field &1 of extr struct &2 is not in the provider struct.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8449 - DataSource &3: Field &1 of extr struct &2 is not in the provider struct. ?

  The SAP error message R8449 indicates that there is a mismatch between the fields in the DataSource and the fields in the InfoProvider (such as an InfoCube or DataStore Object). Specifically, it states that a field in the extraction structure of the DataSource is not present in the structure of the InfoProvider.
  Cause:
  
  Field Mismatch: The field mentioned in the error message (&1) exists in the extraction structure of the DataSource (&2), but it is not defined in the structure of the target InfoProvider (&3).
  Changes in DataSource: If the DataSource has been modified (e.g., fields added or removed) after the InfoProvider was created, this can lead to discrepancies.
  Incorrect Mapping: The mapping between the DataSource and the InfoProvider may not have been updated to reflect changes in the DataSource.
  
  Solution:
  
  Check DataSource Structure: Go to the DataSource in the SAP BW system and verify the fields defined in the extraction structure. Ensure that the field mentioned in the error message is indeed present.
  Update InfoProvider Structure: If the field is required for reporting or analysis, you may need to add it to the InfoProvider structure. This can be done by modifying the InfoProvider to include the missing field.
  Adjust DataSource Mapping: If the field is not needed, you can adjust the mapping in the DataSource to exclude it. This may involve modifying the transformation rules or the DataSource itself.
  Re-activate the DataSource: After making changes, ensure that you re-activate the DataSource and the InfoProvider to apply the changes.
  Check for Consistency: Use transaction codes like RSA1 (Data Warehousing Workbench) to check for consistency between the DataSource and the InfoProvider.
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSO2: Maintain DataSource
  RSC1: Create DataSource
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on modifying DataSources and InfoProviders.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  
  By following these steps, you should be able to resolve the R8449 error and ensure that your DataSource and InfoProvider structures are aligned correctly.