How To Fix RSDHA296 - Ambiguous key dates to read master data

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 296

• Message text: Ambiguous key dates to read master data

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSDHA296 - Ambiguous key dates to read master data ?

  The SAP error message RSDHA296, "Ambiguous key dates to read master data," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the key date used to access master data. This error indicates that the system cannot determine which version of the master data to retrieve because multiple versions exist for the specified key date.
  Cause:
  
  
  Multiple Versions of Master Data: The most common cause of this error is that there are multiple versions of master data records that are valid for the same key date. This can happen if the master data is maintained with different validity periods or if there are changes made to the master data that overlap in time.
  
  
  Incorrect Key Date: The key date being used in the query or report may not be correctly specified, leading to ambiguity in which master data record should be retrieved.
  
  
  Data Inconsistencies: There may be inconsistencies in the master data due to incorrect data loading or maintenance processes.
  
  
  Solution:
  
  
  Check Master Data: Review the master data records in the relevant InfoObject to identify if there are multiple records valid for the same key date. You can do this by using transaction codes like RSD1 (to view InfoObjects) or RSA1 (to access the Data Warehousing Workbench).
  
  
  Specify a Unique Key Date: If possible, modify the query or report to use a key date that is unique and does not lead to ambiguity. This may involve adjusting the date range or filtering criteria.
  
  
  Data Cleanup: If there are unnecessary duplicates in the master data, consider cleaning up the data by removing or archiving old or redundant records.
  
  
  Check Data Load Processes: Ensure that the data loading processes are correctly configured and that there are no issues causing duplicate records to be created.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to this error for additional guidance and best practices.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSD1, RSA1, and SE11 (for data dictionary) to analyze and manage master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Data Modeling: Understanding the data model and how master data is structured in your BW system can help in troubleshooting and resolving such issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation and support.