How To Fix RSDHA457 - Source field '&1' missing

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 457

• Message text: Source field '&1' missing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA457 - Source field '&1' missing ?

  The SAP error message RSDHA457, which states "Source field '&1' missing," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data source or the InfoObject configuration. This error indicates that a required field in the data source is not available or cannot be found.
  Cause:
  
  Missing Field in Data Source: The field specified in the error message is not present in the underlying data source (e.g., a database table or a view).
  Incorrect Mapping: The mapping between the data source and the InfoObject may be incorrect or incomplete.
  Changes in Data Source: If the structure of the data source has changed (e.g., fields were added or removed), it may lead to this error.
  Data Source Activation: The data source may not be activated properly, leading to inconsistencies.
  Field Name Changes: If the field name has been changed in the source system but not updated in the BW system, this error can occur.
  
  Solution:
  
  Check Data Source: Verify that the field mentioned in the error message exists in the data source. You can do this by checking the underlying database table or view.
  Update Data Source: If the field is missing, you may need to update the data source to include the required field. This may involve modifying the data extraction logic or the underlying database structure.
  Re-map Fields: If there are changes in the data source, ensure that the mapping in the InfoObject is updated accordingly. You can do this in the DataSource maintenance transaction (e.g., RSA1).
  Activate Data Source: Ensure that the data source is activated. You can do this in the DataSource maintenance area.
  Check for Changes: If there have been recent changes in the source system, ensure that these changes are reflected in the BW system. This may involve re-importing the data source or adjusting the extraction settings.
  Consult Documentation: Review any relevant documentation or notes related to the specific data source or InfoObject to ensure compliance with best practices.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to manage data sources and InfoObjects.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific data source or InfoObject.
  Data Modeling: Familiarize yourself with data modeling concepts in SAP BW to better understand how data sources and InfoObjects interact.
  Debugging: If the issue persists, consider debugging the data extraction process to identify where the failure occurs.
  
  By following these steps, you should be able to resolve the RSDHA457 error and ensure that your data extraction process functions correctly.