How To Fix CNV_20100100 - Automatic suggestion failed for group name (set class=&1): &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 100

• Message text: Automatic suggestion failed for group name (set class=&1): &2 &3

What causes this issue?

The automatic suggestion for group name &V3& of set class &V1& for chart
of accounts (set subclass) &V2& that you want to rename did not work
because the maximum length of 12 digits was exceeded due to the required
delimiter &V4&.

System Response

A suggestion for the name was created, however this suggestion must be
edited manually.

How to fix this error?

Open the mapping table and enter a name for this set.
&ADDITIONAL_HINTS&
If you do not enter a name, the program for checking sets ends with an
error (red traffic light).
If you continue with the conversion without removing the reason for the
error, inconsistencies and errors in the area of sets are likely to
occur after the conversion.
<ZH>Note</>: Sets of set class 0102 are cost element groups; sets of set
class 0109 are CO account groups.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100100 - Automatic suggestion failed for group name (set class=&1): &2 &3 ?

  The SAP error message CNV_20100100 typically occurs during the execution of a conversion program, particularly in the context of data migration or transformation processes. This error indicates that the automatic suggestion for a group name has failed, and it usually provides additional context through the placeholders &1, &2, and &3.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Configuration: The group name or class specified may not be properly configured in the system.
  Data Inconsistencies: There may be inconsistencies or issues with the data being processed, which prevents the system from generating a valid suggestion.
  Authorization Issues: The user executing the program may not have the necessary authorizations to access the required data or configuration.
  Technical Issues: There could be underlying technical issues, such as problems with the database or the conversion program itself.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify that the group name and class specified in the error message are correctly configured in the system.
  Ensure that all necessary settings related to the conversion program are in place.
  
  
  
  Review Data:
  
  Examine the data being processed for any inconsistencies or errors that might be causing the failure.
  Clean up any problematic data entries that could be affecting the conversion process.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the conversion has the appropriate authorizations to access the necessary data and configurations.
  If needed, consult with your SAP security team to review and adjust user roles and permissions.
  
  
  
  Debugging:
  
  If you have access to debugging tools, consider running the conversion program in debug mode to identify the exact point of failure.
  Look for any additional error messages or logs that might provide more context about the failure.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific conversion program you are using. There may be known issues or additional troubleshooting steps provided by SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to data migration or conversion (e.g., LSMW, S/4HANA Migration Cockpit).
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the CNV_20100100 error effectively.