How To Fix CNV_10100270 - Ambiguity check for set class &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 270

• Message text: Ambiguity check for set class &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100270 - Ambiguity check for set class &1 ?

  The SAP error message CNV_10100270 indicates an issue related to an ambiguity check for a set class in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error typically arises when there are multiple entries in the system that could correspond to the same set class, leading to ambiguity in the data processing.
  Cause:
  The ambiguity check error can occur due to several reasons:
  
  Duplicate Entries: There may be multiple entries in the set class that have the same key or identifier, causing confusion in the system.
  Incorrect Configuration: The configuration of the set class may not be set up correctly, leading to overlapping definitions.
  Data Integrity Issues: There may be issues with the underlying data that are causing conflicts or inconsistencies.
  
  Solution:
  To resolve the error CNV_10100270, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the entries in the set class specified in the error message. Look for any duplicate entries that may exist.
  If duplicates are found, determine which entry is valid and remove or consolidate the others.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the set class in question. Ensure that the definitions are unique and do not overlap with other set classes.
  Make any necessary adjustments to the configuration to eliminate ambiguity.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure that it adheres to the expected formats and constraints.
  Clean up any data integrity issues that may be causing the ambiguity.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific set class and the migration process you are using. There may be specific guidelines or best practices to follow.
  
  
  
  Use Transaction Codes:
  
  Utilize relevant transaction codes (like SE11 for data dictionary, SE80 for object navigator) to analyze the set class and its entries.
  
  
  
  Seek Support:
  
  If the issue persists after performing the above checks, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to the error message CNV_10100270, as they may provide additional insights or patches.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it may contain specific instructions for handling set classes and related errors.
  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 check error in your SAP system.