How To Fix CNV_CDOP_UCIA050 - Select only one row for extended program check

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDOP_UCIA - CDOP Upgrade/Change Impact Analysis

• Message number: 050

• Message text: Select only one row for extended program check

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CDOP_UCIA050 - Select only one row for extended program check ?

  The SAP error message CNV_CDOP_UCIA050 ("Select only one row for extended program check") typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system expected a single row of data to be selected for processing, but multiple rows were found instead.
  Cause:
  
  Multiple Entries: The most common cause of this error is that the selection criteria used in the program or transaction returned multiple rows from the database when only one was expected.
  Data Integrity Issues: There may be issues with the data integrity in the source system, leading to duplicate entries that should not exist.
  Configuration Issues: Incorrect configuration or settings in the migration tool or program can lead to unexpected results.
  
  Solution:
  
  Check Selection Criteria: Review the selection criteria used in the program or transaction. Ensure that it is designed to return only one row. You may need to refine the criteria to be more specific.
  Data Review: Investigate the underlying data in the database table that is being queried. Look for duplicate entries that may be causing the issue. You can use SQL queries to identify duplicates.
  Modify the Program: If you have access to the program code, consider modifying it to handle cases where multiple rows are returned, or ensure it only selects a single row.
  Data Cleanup: If duplicates are found in the data, you may need to clean up the data to ensure that only unique entries exist. This may involve deleting or merging records.
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool or program you are using for any additional guidance or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in debugging or analyzing the data, such as SE11 (Data Dictionary), SE16 (Data Browser), or SE80 (Object Navigator).
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurred and any relevant logs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.