How To Fix CNV_PE_CHECK253 - Parameter of type &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: 253

• Message text: Parameter of type &1 not allowed in interface of type &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_CHECK253 - Parameter of type &1 not allowed in interface of type &2 ?

  The SAP error message CNV_PE_CHECK253 indicates that there is a parameter of a certain type that is not allowed in the interface of another specified type. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of programs that involve data transformation.
  Cause:
  The error is usually caused by one of the following issues:
  
  Type Mismatch: The parameter type being passed does not match the expected type defined in the interface. For example, if the interface expects a certain data type (like a string or integer) and a different type is provided, this error will occur.
  Incorrect Configuration: The configuration settings for the data migration or conversion process may not be set up correctly, leading to the use of unsupported parameter types.
  Custom Code Issues: If there is custom code involved in the data migration process, it may be incorrectly handling parameter types.
  
  Solution:
  To resolve the CNV_PE_CHECK253 error, you can take the following steps:
  
  
  Check Parameter Types: Review the parameters being passed to the interface and ensure that they match the expected types. You can do this by checking the interface definition in the relevant SAP transaction (like SE80 or SE37).
  
  
  Review Configuration: If you are using a migration tool or a specific configuration, ensure that all settings are correct and that the parameters being used are supported by the interface.
  
  
  Debugging: If you have access to the code, you can debug the program to identify where the incorrect parameter type is being passed. Look for any custom logic that may be altering the expected types.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool or interface you are using. There may be specific guidelines or restrictions regarding parameter types.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may 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 detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), and ST22 (Dump Analysis) for debugging.
  Migration Tools: If you are using SAP S/4HANA Migration Cockpit or other migration tools, ensure you are following the best practices outlined in the official SAP documentation.
  Data Types: Understanding the different data types in ABAP and how they are used in interfaces can help prevent such errors in the future.
  
  By following these steps, you should be able to identify and resolve the CNV_PE_CHECK253 error effectively.