How To Fix CNV_10100271 - Ambiguity check of set &2 (set ID &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 271

• Message text: Ambiguity check of set &2 (set ID &3)

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_10100271 - Ambiguity check of set &2 (set ID &3) ?

  The SAP error message CNV_10100271, which indicates an "Ambiguity check of set &2 (set ID &3)," typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of conversion programs.
  Cause:
  The error is generally caused by the following factors:
  
  Duplicate Entries: There may be duplicate entries in the data set that the system is trying to process. This can lead to ambiguity in identifying which entry should be used.
  Inconsistent Data: The data being migrated may not conform to the expected format or structure, leading to confusion in the mapping or conversion logic.
  Configuration Issues: There may be issues with the configuration of the migration settings or the mapping rules that are supposed to guide the data transformation.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: Review the data set for any duplicate entries. If duplicates are found, you will need to either remove them or consolidate them as appropriate.
  
  
  Data Validation: Ensure that the data being processed adheres to the expected formats and structures. Validate the data against the requirements of the target system.
  
  
  Review Mapping Rules: Check the mapping rules and configuration settings in the migration tool. Ensure that they are correctly set up to handle the data being processed.
  
  
  Log Analysis: Look at the detailed logs generated during the migration process. These logs can provide more context about the specific entries causing the ambiguity.
  
  
  Test with Sample Data: If possible, test the migration process with a smaller subset of data to isolate the issue. This can help identify specific records that are causing the problem.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using. There may be known issues or additional guidance available.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Tools: Familiarize yourself with the specific SAP migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have specific guidelines for handling data ambiguities.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the ambiguity causing the error CNV_10100271.