How To Fix PT021 - The parameter OUT_PARAMETERS is mandatory

PT021 - Overview

• Message type: E = Error

• Message class: PT - Messages for ABAP print functions

• Message number: 021

• Message text: The parameter OUT_PARAMETERS is mandatory

What causes this issue?

The function module GET_PRINT_PARAMETERS is responsible for
ascertaining and returning print parameters. Because the parameter for
the return of the print parameters (OUT_PARAMETERS) was not specified,
the current call is pointless.

System Response

A short dump was triggered to avoid followup errors.

How to fix this error?

Add the IMPORTING parameter OUT_PARAMETERS to the call of
GET_PRINT_PARAMETERS.

Error message extract from SAP system. Copyright SAP SE.

PT021 - Details

• The SAP error message PT021, which states "The parameter OUT_PARAMETERS is mandatory," typically occurs in the context of using the SAP Process Integration (PI) or Process Orchestration (PO) when dealing with function modules or methods that require specific output parameters to be defined.
  
  Cause:
  The error indicates that a required output parameter, OUT_PARAMETERS, has not been provided in the function call or method invocation. This can happen due to:
  
  Missing Output Parameter: The function module or method you are trying to call expects an output parameter that has not been defined or passed.
  Incorrect Function Call: The function call may be incorrectly structured, leading to the omission of required parameters.
  
  Configuration Issues: There may be issues in the configuration of the process or the mapping that leads to the absence of expected parameters.
  
  
  Solution:
  To resolve the PT021 error, you can take the following steps:
  
  
  Check Function Module/Method Definition: Review the definition of the function module or method