How To Fix CNV_PE027 - Structural mapping &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 027

• Message text: Structural mapping &1

What causes this issue?

Structure mapping name: &V1&
Structure mapping ID: &V2&
Structure mapping description: &V3&

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?

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_PE027 - Structural mapping &1 ?

  The SAP error message CNV_PE027, which relates to "Structural mapping &1," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the structural mapping of the data being processed.
  Cause:
  
  Mapping Issues: The error often arises when the source structure does not match the target structure defined in the mapping configuration. This can happen if there are missing fields, incorrect data types, or if the source data does not conform to the expected format.
  Configuration Errors: If the mapping configuration is not set up correctly, it can lead to this error. This includes incorrect field assignments or missing mappings for required fields.
  Data Quality Issues: The source data may contain inconsistencies, such as null values in mandatory fields or data that does not meet the validation criteria for the target structure.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration in the migration tool. Ensure that all required fields are correctly mapped from the source to the target structure. Pay attention to data types and field lengths.
  Validate Source Data: Examine the source data for any inconsistencies or missing values. Ensure that all mandatory fields are populated and that the data conforms to the expected formats.
  Adjust Data Structures: If necessary, modify the source data structure or the target structure to ensure compatibility. This may involve adding missing fields or changing data types.
  Use Migration Tools: Utilize SAP's migration tools, such as the Migration Cockpit, to assist in the mapping and validation process. These tools often provide features to help identify and resolve mapping issues.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration scenario you are working on. There may be specific guidelines or best practices that can help resolve the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration and mapping issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: After making changes, conduct thorough testing to ensure that the data migration process works as expected and that the error does not recur.
  
  By following these steps, you should be able to identify the root cause of the CNV_PE027 error and implement a solution to resolve it.