How To Fix CNV_PE_CHECK254 - Parameter name &1 not allowed in interface of type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_CHECK - Check Framework messages for posting engine

• Message number: 254

• Message text: Parameter name &1 not allowed in interface of type &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_CHECK254 - Parameter name &1 not allowed in interface of type &2 ?

  The SAP error message CNV_PE_CHECK254 with the description "Parameter name &1 not allowed in interface of type &2" typically occurs during the execution of a conversion or migration process, particularly when using SAP's data migration tools or during the execution of a program that involves parameter checks.
  Cause:
  This error indicates that a parameter (denoted as &1) is being used in a context where it is not permitted according to the interface type (denoted as &2). This can happen due to several reasons:
  
  Incorrect Parameter Usage: The parameter being passed does not match the expected parameters defined for the interface type.
  Configuration Issues: There may be a misconfiguration in the migration or conversion settings that leads to the use of an invalid parameter.
  Version Mismatch: The version of the migration tool or the data model may not be compatible with the parameters being used.
  Custom Code: If there is custom code involved, it may not adhere to the expected parameter definitions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Parameter Definitions: Review the documentation or the interface definition for the type indicated in the error message. Ensure that the parameter you are trying to use is indeed allowed.
  
  
  Review Migration Settings: If you are using a migration tool, check the configuration settings to ensure that all parameters are correctly defined and that you are not using any deprecated or invalid parameters.
  
  
  Debugging: If you have access to the code, you can debug the program to see where the parameter is being set and why it is being flagged as invalid. Look for any hardcoded values or incorrect mappings.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the full error message, context, and any relevant logs.
  
  
  Related Information:
  
  SAP Migration Tools: Familiarize yourself with the specific migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their documentation.
  Parameter Documentation: Review the SAP documentation for the specific interface type mentioned in the error to understand the valid parameters.
  Version Compatibility: Ensure that your SAP system and the tools you are using are up to date and compatible with each other.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.