How To Fix CNV_PE452 - Runtime of transformation rule &1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 452

• Message text: Runtime of transformation rule &1 is not valid

What causes this issue?

While executing transformation rule &V1& (ID &V2&) it was observed that
the runtime object is not valid. Several reasons are possible:
You did not generate the runtime object (source code) at all
You subsequently changed the transformation rule after the runtime
object was already successfully generated
Each subsequent change (such as, renaming the transformation rule,
changing the signature or adapting the source code of a source code
rule) needs to be finalized with a new generation of the runtime object

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 transformation rule with the transformation rule editor and
generate the runtime object. Afterwards, execute the erroneous activity
again.

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_PE452 - Runtime of transformation rule &1 is not valid ?

  The SAP error message CNV_PE452 indicates that there is an issue with the runtime of a transformation rule in the context of data migration or conversion processes, typically associated with the SAP Landscape Transformation (SLT) or SAP Data Services.
  Cause:
  The error message CNV_PE452 usually arises due to one of the following reasons:
  
  
  Invalid Transformation Rule: The transformation rule defined in the data migration process may have an invalid runtime configuration or logic that cannot be executed properly.
  
  
  Data Type Mismatch: There may be a mismatch between the expected data types in the transformation rule and the actual data being processed.
  
  
  Missing or Incorrect Parameters: The transformation rule may require certain parameters that are either missing or incorrectly defined.
  
  
  Incompatibility with Source/Target Structures: The source and target structures may not be compatible, leading to issues during the transformation process.
  
  
  System Configuration Issues: There may be configuration issues in the SAP system that affect the execution of transformation rules.
  
  
  Solution:
  To resolve the CNV_PE452 error, you can take the following steps:
  
  
  Review Transformation Rules: Check the transformation rules defined in the data migration process. Ensure that they are correctly configured and that the logic is valid.
  
  
  Check Data Types: Verify that the data types in the transformation rules match the data types of the source and target fields. Make necessary adjustments if there are mismatches.
  
  
  Validate Parameters: Ensure that all required parameters for the transformation rules are provided and correctly defined.
  
  
  Test with Sample Data: Run the transformation with a small set of sample data to identify if the issue persists. This can help isolate the problem.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific transformation rules you are using. There may be specific guidelines or constraints that need to be followed.
  
  
  Check System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Seek Help from SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to transformation rules and provide patches or updates.
  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 tools you are using (e.g., SAP Data Services, SLT) for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_PE452 error in your SAP environment.