How To Fix CNV_PE_IF_RT034 - Key is not valid transformation rule: &1 parameter mapping ID: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_IF_RT - PE: Interfaces Runtime generation

• Message number: 034

• Message text: Key is not valid transformation rule: &1 parameter mapping ID: &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_IF_RT034 - Key is not valid transformation rule: &1 parameter mapping ID: &2 ?

  The SAP error message CNV_PE_IF_RT034 indicates that there is an issue with a transformation rule in the context of a data migration or conversion process. Specifically, the error states that the key for a transformation rule is not valid, which can occur in various scenarios, particularly during data migration using SAP's tools like the SAP S/4HANA Migration Cockpit or other data transformation tools.
  Cause:
  
  Invalid Key: The key specified in the transformation rule does not exist or is not recognized by the system. This could be due to a typo, an incorrect reference, or the key not being defined in the system.
  Missing Mapping ID: The parameter mapping ID specified in the error message may not be correctly set up or may not correspond to an existing mapping.
  Configuration Issues: There may be issues with the configuration of the data migration project, such as missing or incorrect settings in the transformation rules.
  Data Model Changes: If there have been changes to the data model or the structure of the source or target systems, the existing transformation rules may no longer be valid.
  
  Solution:
  
  Verify Keys and Mapping IDs: Check the transformation rules and ensure that the keys and mapping IDs referenced in the error message are valid and correctly defined in the system.
  Review Transformation Rules: Go through the transformation rules in the migration project to ensure they are correctly configured and that all necessary mappings are in place.
  Check for Updates: If you are using a specific version of SAP or a migration tool, ensure that you have the latest updates or patches applied, as these may resolve known issues.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the expected format and requirements for transformation rules.
  Test with Sample Data: If possible, test the transformation with a smaller set of sample data to isolate the issue and determine if it is related to specific records or a broader configuration problem.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and configuration.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message or the migration tool you are using. SAP Notes often contain solutions or workarounds for known issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions or insights.
  Documentation: Review the official SAP documentation for the migration tool or process you are using, as it may provide additional context or troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_PE_IF_RT034 error message.