How To Fix CNV_10100325 - No subclass mapping values found for set class &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 325

• Message text: No subclass mapping values found 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_10100325 - No subclass mapping values found for set class &1 ?

  The SAP error message CNV_10100325: No subclass mapping values found for set class &1 typically occurs during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of a migration project. This error indicates that the system is unable to find the necessary subclass mapping for a specified set class, which is essential for the conversion process to proceed.
  Cause:
  
  Missing Mapping Entries: The most common cause of this error is that the mapping table for the specified set class does not contain any entries. This can happen if the mapping was not properly defined or if the data required for the mapping is missing.
  Incorrect Configuration: There may be a configuration issue where the set class is not correctly defined in the system or the mapping is not correctly linked to the set class.
  Data Inconsistencies: If the data being migrated does not match the expected format or values, the system may not find the appropriate subclass mapping.
  
  Solution:
  
  Check Mapping Tables: Verify that the mapping tables for the specified set class are populated correctly. You can do this by accessing the relevant transaction codes (like SE11 for Data Dictionary) to check the entries in the mapping tables.
  Define Missing Mappings: If the mapping entries are missing, you will need to create them. This involves defining the subclass mappings for the set class in question.
  Review Configuration: Ensure that the configuration for the set class is correct. This may involve checking the customizing settings in the SAP system to ensure that the set class is properly defined and linked to the correct mappings.
  Data Validation: Validate the data being migrated to ensure it conforms to the expected formats and values. This may involve cleaning or transforming the data before migration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool or process you are using. There may be specific instructions or known issues related to the error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and others that may help in checking and modifying mappings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions to common problems.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.