How To Fix RSDPP102 - Keys not determined for predecessor &1(&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDPP - BW: Data Privacy Protection

• Message number: 102

• Message text: Keys not determined for predecessor &1(&2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDPP102 - Keys not determined for predecessor &1(&2) ?

  The SAP error message RSDPP102, which states "Keys not determined for predecessor &1(&2)," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data extraction or transformation process. This error indicates that the system is unable to determine the keys for a predecessor object, which is often a data source or InfoProvider.
  Causes:
  
  Missing or Incorrect Data Source Configuration: The data source may not be properly configured, leading to missing keys.
  Inconsistent Data: The data in the source system may be inconsistent or incomplete, preventing the keys from being generated.
  Transformation Issues: There may be issues in the transformation rules that prevent the correct mapping of keys.
  Data Model Changes: Changes in the data model (like changes in InfoObjects or InfoProviders) that have not been reflected in the data source or transformation.
  Data Load Issues: Problems during the data load process, such as failed loads or incomplete data.
  
  Solutions:
  
  Check Data Source Configuration: Verify that the data source is correctly configured in the SAP BW system. Ensure that all necessary fields are mapped correctly.
  Validate Transformation Rules: Review the transformation rules to ensure that they are correctly set up to map the source fields to the target fields in the InfoProvider.
  Check for Incomplete Data: Investigate the source system for any missing or incomplete data that may be causing the issue. Ensure that the data is complete and consistent.
  Re-activate DataSource: Sometimes, reactivating the DataSource can help resolve issues related to key determination.
  Monitor Data Load Process: Check the data load process for any errors or warnings that may indicate why the keys are not being determined.
  Review Changes in Data Model: If there have been recent changes to the data model, ensure that all related objects are updated accordingly.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to check the data source and transformation settings.
  Logs and Traces: Check the logs for the data load process (transaction code RSMO) to identify any specific errors or warnings that may provide more context.
  SAP Notes: Look for relevant SAP Notes that may address known issues related to this error message.
  Documentation: Refer to SAP documentation for detailed information on data extraction and transformation processes in BW.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.