How To Fix RSDHA388 - Name mapping of column '&1' unsuccessful

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 388

• Message text: Name mapping of column '&1' unsuccessful

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA388 - Name mapping of column '&1' unsuccessful ?

  The SAP error message RSDHA388, which states "Name mapping of column '&1' unsuccessful," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the mapping of a column name in a data source or InfoObject. This error can arise during the data extraction or transformation process, particularly when working with DataSources, InfoProviders, or during the loading of data into InfoCubes or DataStore Objects (DSOs).
  Causes:
  
  Column Name Mismatch: The column name in the source system does not match the expected name in the target InfoObject or DataSource.
  DataSource Configuration Issues: The DataSource may not be properly configured, leading to incorrect mappings.
  Changes in Source Structure: If the structure of the source data has changed (e.g., new columns added, existing columns renamed), the mappings may no longer be valid.
  Incorrect Field Mapping: The mapping defined in the transformation rules may not correspond correctly to the fields in the source or target.
  Data Type Mismatch: The data type of the source column may not match the expected data type in the target InfoObject.
  
  Solutions:
  
  Check DataSource Configuration: Verify the configuration of the DataSource in SAP BW. Ensure that the column names and data types are correctly defined.
  Review Transformation Rules: Go to the transformation that is causing the error and check the mapping of the fields. Ensure that the source fields are correctly mapped to the target fields.
  Update Mappings: If there have been changes in the source structure, update the mappings in the DataSource or transformation accordingly.
  Test Data Extraction: Perform a test extraction to see if the error persists. This can help identify if the issue is with specific data or the overall configuration.
  Check for Updates: Ensure that you are using the latest version of the DataSource and that any relevant SAP Notes have been applied.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the DataSource or InfoObject in question.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide fixes related to this error.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to access and manage DataSources and InfoProviders.
  Logs and Traces: Review logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDHA388 error in your SAP BW environment.