How To Fix CNV_10100280 - Ambiguity check for set class &1 with subclass &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 280

• Message text: Ambiguity check for set class &1 with subclass &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100280 - Ambiguity check for set class &1 with subclass &2 ?

  The SAP error message CNV_10100280 indicates that there is an ambiguity in the classification of a set class and subclass during a conversion or migration process. This typically occurs in the context of data migration or conversion projects, particularly when using SAP's Conversion Tools.
  Cause:
  The ambiguity arises when the system encounters multiple entries that could potentially match the criteria defined for a specific set class and subclass. This can happen due to:
  
  Duplicate Entries: There may be multiple entries in the classification system that match the same criteria, leading to confusion about which entry should be used.
  Incorrect Configuration: The set class or subclass may not be properly configured, leading to overlaps or conflicts in classification.
  Data Integrity Issues: There may be issues with the data being migrated, such as inconsistencies or errors in the source data.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: Review the entries in the set class and subclass to identify any duplicates. Ensure that each entry is unique and correctly defined.
  
  
  Review Configuration: Verify the configuration of the set class and subclass in the SAP system. Ensure that they are set up correctly and that there are no conflicting definitions.
  
  
  Data Cleansing: If the error is related to data integrity, perform data cleansing on the source data before migration. This may involve removing duplicates, correcting errors, or standardizing data formats.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific conversion or migration tool you are using. There may be specific guidelines or best practices that can help resolve the ambiguity.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like CL02 for class maintenance) to analyze and modify the set class and subclass definitions.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration or the migration process.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to classification and set classes, such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class).
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Tools: If you are using specific migration tools (like SAP S/4HANA Migration Cockpit), refer to their documentation for any known issues or additional configuration steps.
  
  By following these steps, you should be able to identify and resolve the ambiguity causing the error message CNV_10100280.