How To Fix CNV_PE451 - Transformation rule &1 ended with error (see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 451

• Message text: Transformation rule &1 ended with error (see long text)

What causes this issue?

Transformation rule <ZH>&V1&</> reported error <ZH>&V2&</> while
processing worklist item <ZH>&V3&</>.
<ZH>Consolidated details</>
Transformation rule name:,,<ZH>&V1&</>
Transformation rule ID:,,<ZH>&V4&</>
Worklist item:,,<ZH>&V3&</>
Error text:,,<ZH>&V2&</>

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?

Check the corresponding log for (possible) further details in subsequent
messages.

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_PE451 - Transformation rule &1 ended with error (see long text) ?

  The SAP error message CNV_PE451 indicates that a transformation rule in a data conversion or migration process has encountered an error. This message is typically associated with the SAP Conversion Tools, which are used during data migration projects, such as the SAP S/4HANA migration.
  Cause:
  The error can occur due to various reasons, including but not limited to:
  
  Data Quality Issues: The source data may contain invalid or inconsistent values that do not meet the transformation rule's requirements.
  Configuration Errors: The transformation rules may not be correctly configured, leading to failures during execution.
  Mapping Issues: There may be issues with how fields are mapped between the source and target systems.
  Technical Errors: There could be underlying technical issues, such as missing authorizations, system performance problems, or bugs in the transformation logic.
  
  Solution:
  To resolve the CNV_PE451 error, you can follow these steps:
  
  
  Check the Long Text: The error message usually has a long text that provides more details about the specific issue. Review this information to understand the context of the error.
  
  
  Review Transformation Rules: Go through the transformation rules that are causing the error. Ensure that they are correctly defined and that the logic aligns with the data being processed.
  
  
  Validate Source Data: Check the source data for any inconsistencies or invalid entries that may be causing the transformation to fail. Cleanse the data if necessary.
  
  
  Test in a Development Environment: If possible, replicate the issue in a development or test environment to troubleshoot without affecting production data.
  
  
  Check Logs: Review the logs generated during the transformation process for any additional error messages or warnings that can provide more context.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific transformation rules you are using. There may be known issues or additional configuration steps required.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on the specific details of your implementation.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues with the CNV_PE451 error or provide updates to the conversion tools.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for the specific conversion tool or migration project you are working on, as it may contain troubleshooting tips and best practices.
  
  By following these steps, you should be able to identify the root cause of the CNV_PE451 error and implement a suitable solution.