How To Fix MPE_AHF_MSG033 - Type handler &1, Parameter &2: wrong parameter type &3

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_AHF_MSG - Message Class - Action Hook Framework

• Message number: 033

• Message text: Type handler &1, Parameter &2: wrong parameter type &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_AHF_MSG033 - Type handler &1, Parameter &2: wrong parameter type &3 ?

  The SAP error message MPE_AHF_MSG033 typically indicates that there is a mismatch in the expected data type for a parameter in a type handler. This error can occur in various contexts, such as when working with ABAP programs, function modules, or when integrating with other systems.
  Cause:
  The error message is triggered when:
  
  A type handler is expecting a specific data type for a parameter, but the provided parameter does not match the expected type.
  This can happen due to incorrect data being passed to a function or method, or due to a misconfiguration in the data model.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Type Handler Definition:
  
  Review the definition of the type handler that is causing the error. Ensure that the expected parameter types are correctly defined.
  
  
  
  Verify Parameter Types:
  
  Check the parameters being passed to the type handler. Ensure that the data types of the parameters match the expected types defined in the type handler.
  
  
  
  Debugging:
  
  Use the ABAP debugger to trace the execution of the program or function module. This will help you identify where the incorrect parameter type is being passed.
  
  
  
  Data Conversion:
  
  If necessary, convert the data to the expected type before passing it to the type handler. This can be done using appropriate ABAP data conversion functions.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific type handler you are using. This may provide insights into the expected parameter types and any additional requirements.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to type handling.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional context.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  ABAP Development: If you are a developer, familiarize yourself with ABAP data types and type handling to prevent such issues in the future.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.