How To Fix RSDTM214 - InfoSource "&3" not unique through InfoObject "&2", source system "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDTM - Data Mining Connection Messages

• Message number: 214

• Message text: InfoSource "&3" not unique through InfoObject "&2", source system "&1"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDTM214 - InfoSource "&3" not unique through InfoObject "&2", source system "&1" ?

  The SAP error message RSDTM214 indicates that there is a problem with the uniqueness of an InfoSource in relation to an InfoObject in a specific source system. This error typically arises in the context of SAP BW (Business Warehouse) when you are trying to load data from a source system, and the system finds that the InfoSource is not uniquely defined by the specified InfoObject.
  Cause:
  The error message RSDTM214 can occur due to several reasons:
  
  Duplicate Entries: There are multiple entries in the source system for the same InfoObject, which means that the InfoSource cannot be uniquely identified.
  Incorrect Data Model: The data model may not be correctly defined, leading to ambiguity in how data is being pulled from the source system.
  Missing or Incorrect Keys: The key fields that are supposed to uniquely identify records in the source system may be missing or incorrectly defined.
  Data Quality Issues: There may be data quality issues in the source system, such as duplicate records or incorrect relationships between data entities.
  
  Solution:
  To resolve the RSDTM214 error, you can take the following steps:
  
  Check for Duplicates: Investigate the source system for duplicate entries related to the InfoObject. You can run queries or reports to identify duplicates.
  Review Data Model: Ensure that the data model in SAP BW is correctly defined. Check the InfoSource and InfoObject definitions to ensure they are set up properly.
  Define Unique Keys: Make sure that the InfoObject has a unique key defined that can be used to distinguish records. If necessary, modify the InfoObject to include additional fields that can help in uniquely identifying records.
  Data Cleansing: If data quality issues are identified, perform data cleansing in the source system to remove duplicates or correct relationships.
  Check Transformation Rules: Review the transformation rules that are applied when loading data from the source system to ensure they are correctly mapping the fields and handling duplicates appropriately.
  Test Data Load: After making the necessary changes, test the data load again to see if the error persists.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to analyze InfoSources and InfoObjects.
  Data Source Monitoring: Use transaction RSO2 to monitor data sources and check for any inconsistencies.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP BW documentation for best practices on data modeling and InfoSource configuration.
  
  By following these steps, you should be able to identify the root cause of the RSDTM214 error and implement a solution to resolve it.