How To Fix CNV_PE_CHECK_V2124 - Trans. opt. &1, step &2, par. &3: No field mapping for case &4 exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_CHECK_V2 - Check Messages (Version 2020)

• Message number: 124

• Message text: Trans. opt. &1, step &2, par. &3: No field mapping for case &4 exists

What causes this issue?

Structure mapping for transfer step parameter &V3& or its parent
structure contains case &V4&. However, <ZH>no</> field mapping for this
case exists.

System Response

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

How to fix this error?

You can try to remove this inconsistency by deleting field mapping for
transfer step parameter &V3& and creating it again.
If you still do <ZH>not</> get an entry for case &V4&, contact SAP for
support.

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_PE_CHECK_V2124 - Trans. opt. &1, step &2, par. &3: No field mapping for case &4 exists ?

  The SAP error message CNV_PE_CHECK_V2124 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a missing field mapping for a specific case in the data conversion process.
  Cause:
  The error message CNV_PE_CHECK_V2124 is triggered when the system cannot find a mapping for a specific field in the data being processed. This can happen due to several reasons:
  
  Missing Mapping Configuration: The mapping for the specified field has not been defined in the migration or conversion settings.
  Incorrect Data Structure: The data being imported does not match the expected structure or format, leading to a failure in finding the appropriate mapping.
  Version Mismatch: The version of the migration tool or the source data structure may not be compatible with the target system.
  Custom Fields: If custom fields are involved, they may not have been included in the mapping configuration.
  
  Solution:
  To resolve the CNV_PE_CHECK_V2124 error, you can take the following steps:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in the migration tool. Ensure that all required fields are correctly mapped.
  If you are using a custom mapping, verify that it includes all necessary fields for the data being processed.
  
  
  
  Validate Data Structure:
  
  Ensure that the data being imported matches the expected structure. Check for any discrepancies in field names, data types, or formats.
  If necessary, adjust the source data to align with the target structure.
  
  
  
  Update Migration Tool:
  
  Ensure that you are using the latest version of the migration tool. Check for any updates or patches that may address compatibility issues.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for the migration tool you are using. Look for any specific instructions or requirements related to field mapping.
  
  
  
  Custom Fields Handling:
  
  If you are dealing with custom fields, ensure that they are included in the mapping configuration. You may need to create additional mapping entries for these fields.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test run of the migration process to verify that the error has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the migration tool you are using for any known issues or additional guidance.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_PE_CHECK_V2124 error in your SAP environment.