How To Fix APPLG203 - GP: Parameter is unknown; correct call method

SAP Error Message - Details

• Message type: E = Error

• Message class: APPLG - Application Graphics Messages (Graphic Proxy Framework)

• Message number: 203

• Message text: GP: Parameter is unknown; correct call method

What causes this issue?

The specified parameter does not exist.

How to fix this error?

Correct the call method.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APPLG203 - GP: Parameter is unknown; correct call method ?

  The SAP error message APPLG203 GP: Parameter is unknown; correct call method typically indicates that there is an issue with the parameters being passed to a function module or method in an ABAP program. This error can occur for various reasons, including:
  Causes:
  
  Incorrect Parameter Name: The parameter name being used in the function call does not match any of the expected parameter names defined in the function module or method.
  Missing Parameters: Required parameters are not being passed to the function/module.
  Typographical Errors: There may be a typo in the parameter name or the way the function is being called.
  Changes in Function Module: If the function module or method has been changed (e.g., parameters added or removed), the calling program may not be updated accordingly.
  Version Mismatch: If you are using a different version of the function module than expected, it may not recognize the parameters being passed.
  
  Solutions:
  
  Check Parameter Names: Verify that the parameter names used in the function call match exactly with those defined in the function module or method. Pay attention to case sensitivity and spelling.
  Review Function Module Documentation: Look at the documentation for the function module or method to ensure you are passing all required parameters and that they are of the correct type.
  Update Calling Program: If the function module has been updated, ensure that the calling program is also updated to reflect any changes in the parameters.
  Debugging: Use the ABAP debugger to step through the code and inspect the parameters being passed to identify any discrepancies.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates regarding the function module or method you are using.
  
  Related Information:
  
  Function Module Documentation: You can access the documentation for a specific function module by using transaction code SE37 (Function Module) and entering the name of the function module.
  ABAP Debugger: Use the ABAP debugger to analyze the program flow and inspect variable values at runtime.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions.
  SAP Notes: Search for SAP Notes related to the specific function module or method to see if there are known issues or patches available.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.