How To Fix CNV_10100120 - Conversion of SETNAME &1 not possible, SETCLASS is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 120

• Message text: Conversion of SETNAME &1 not possible, SETCLASS is missing

What causes this issue?

For set name &V1& and subclass &V2&, the set class is empty.

System Response

The conversion of field set name &V1& is not possible because the set
class is missing.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100120 - Conversion of SETNAME &1 not possible, SETCLASS is missing ?

  The SAP error message CNV_10100120 indicates that there is an issue with the conversion of a set name (SETNAME) because the corresponding set class (SETCLASS) is missing. This error typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of specific conversion programs.
  Cause:
  
  
  Missing Set Class: The primary cause of this error is that the system is unable to find the set class associated with the specified set name. This could be due to:
  
  The set class not being defined in the system.
  The set class being deleted or not properly configured.
  A mismatch between the set name and the set class in the configuration.
  
  
  
  Configuration Issues: There may be issues in the configuration settings related to the data migration or conversion process that prevent the system from recognizing the set class.
  
  
  Data Integrity Issues: If the data being migrated or converted has integrity issues, such as missing references or incorrect relationships, this can lead to errors.
  
  
  Solution:
  
  
  Check Set Class Definition:
  
  Verify that the set class associated with the set name exists in the system. You can do this by checking the relevant configuration tables or using transaction codes like SE11 (Data Dictionary) to look up the set class.
  
  
  
  Create or Restore Set Class:
  
  If the set class is missing, you may need to create it or restore it from a backup if it was deleted. Ensure that it is properly configured to match the requirements of the conversion process.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings related to the data migration or conversion process. Ensure that all necessary parameters are correctly set and that there are no discrepancies.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure that all necessary references and relationships are intact. This may involve checking for missing entries or correcting any inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific conversion program you are using. There may be additional guidance or troubleshooting steps provided by SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration or the version of SAP you are using.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and others that may help in diagnosing the issue.
  SAP Notes: Search for SAP Notes related to the error message or the specific conversion program you are using. SAP Notes often contain fixes, workarounds, or additional troubleshooting steps.
  Data Migration Tools: If you are using specific data migration tools (like SAP S/4HANA Migration Cockpit), ensure that you are following the recommended procedures and guidelines for those tools.
  
  By following these steps, you should be able to identify and resolve the issue causing the CNV_10100120 error in your SAP system.