How To Fix CNV_IUUC_REPL_ADV_SE003 - Select exactly one row

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS

• Message number: 003

• Message text: Select exactly one row

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_ADV_SE003 - Select exactly one row ?

  The SAP error message CNV_IUUC_REPL_ADV_SE003 with the description "Select exactly one row" typically occurs in the context of data replication or migration processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that the system expected a single row to be selected from a database table or a result set, but either no rows or multiple rows were returned.
  Causes:
  
  Multiple Rows Returned: The query or selection criteria used in the process returned more than one row when only one was expected.
  No Rows Returned: The query did not return any rows, which can also trigger this error in certain contexts.
  Incorrect Selection Criteria: The selection criteria may not be specific enough to ensure that only one row is returned.
  Data Integrity Issues: There may be issues with the data in the source system, such as duplicates or missing records.
  
  Solutions:
  
  Review Selection Criteria: Check the selection criteria used in the query to ensure it is specific enough to return only one row. You may need to add additional filters or conditions.
  Check for Duplicates: Investigate the underlying data to see if there are duplicate entries that could be causing multiple rows to be returned. If duplicates exist, you may need to clean the data.
  Modify the Query: If you have access to the query or the underlying code, modify it to ensure it only selects a single row. This could involve using aggregate functions or additional WHERE clauses.
  Debugging: Use debugging tools or logs to trace the execution of the process and identify where the selection is being made. This can help pinpoint the exact cause of the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or process you are working with for any known issues or additional guidance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  SLT Configuration: If you are using SLT, ensure that the configuration is set up correctly and that the source and target systems are properly aligned.
  Data Services: If using SAP Data Services, review the job design to ensure that the data flow is correctly configured to handle the expected data volume and structure.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support or your internal SAP team for further assistance.