How To Fix OT756 - Invalid actual parameter (&1 &2 &3) in function module &4

SAP Error Message - Details

• Message type: E = Error

• Message class: OT - SAP Online Correction Support (SOCS)

• Message number: 756

• Message text: Invalid actual parameter (&1 &2 &3) in function module &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OT756 - Invalid actual parameter (&1 &2 &3) in function module &4 ?

  The SAP error message OT756, which states "Invalid actual parameter (&1 &2 &3) in function module &4," typically indicates that there is an issue with the parameters being passed to a function module in your ABAP program. This error can arise due to various reasons, such as incorrect data types, missing parameters, or parameters that do not match the expected format.
  Causes:
  
  Incorrect Data Types: The actual parameters being passed do not match the expected data types defined in the function module.
  Missing Parameters: One or more required parameters are not being passed to the function module.
  Parameter Mismatch: The number of parameters or their order does not match the definition of the function module.
  Invalid Values: The values being passed may not be valid for the expected parameter (e.g., passing a string where a numeric value is expected).
  Changes in Function Module: If the function module has been modified (e.g., added or removed parameters), the calling program may not be updated accordingly.
  
  Solutions:
  
  Check Function Module Definition: Review the definition of the function module (using transaction SE37) to understand the expected parameters, their types, and their order.
  Validate Parameter Types: Ensure that the data types of the actual parameters being passed match those defined in the function module.
  Ensure All Required Parameters Are Passed: Make sure that all mandatory parameters are being provided when calling the function module.
  Review Calling Code: Check the ABAP code where the function module is called to ensure that the parameters are being passed correctly.
  Debugging: Use the ABAP debugger to step through the code and inspect the values and types of the parameters being passed to the function module.
  Consult Documentation: If available, refer to the documentation for the function module to understand its usage and requirements.
  
  Related Information:
  
  Transaction SE37: Use this transaction to view and edit function modules.
  Transaction SE80: This transaction can be used to navigate through the repository and find related objects.
  ABAP Debugger: Utilize the debugger to analyze the flow of the program and inspect variable values at runtime.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance related to the specific function module.
  
  By following these steps, you should be able to identify and resolve the cause of the OT756 error in your SAP environment.