How To Fix OW044 - Method & for object type & contains mandatory params with ref. typ. obj.

SAP Error Message - Details

• Message type: E = Error

• Message class: OW - SAP ArchiveLink: Messages for Workflow

• Message number: 044

• Message text: Method & for object type & contains mandatory params with ref. typ. obj.

What causes this issue?

Method &v1& for object type &v2& has mandatory parameters with
reference type object. Such parameters cannot be set by Customizing the
workflow parameters.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OW044 - Method & for object type & contains mandatory params with ref. typ. obj. ?

  The SAP error message OW044 indicates that a method for a specific object type is missing mandatory parameters that are required for its execution. This error typically arises in the context of Object-Oriented Programming (OOP) in SAP, particularly when dealing with Business Object (BO) methods.
  Cause:
  The error occurs when:
  
  A method is called on a Business Object (BO) without providing all the required parameters.
  The parameters that are required are either not passed at all or are passed incorrectly.
  The object type or method being invoked is not properly defined or configured in the system.
  
  Solution:
  To resolve the OW044 error, you can follow these steps:
  
  
  Check Method Definition: 
  
  Go to the Business Object (BO) definition in the SAP system and check the method that is causing the error. Ensure that you understand the parameters that are required.
  
  
  
  Review Parameter Requirements:
  
  Identify the mandatory parameters for the method. This information can usually be found in the method documentation or the BO definition.
  
  
  
  Modify the Calling Code:
  
  Ensure that when you call the method, you are passing all the required parameters. If any parameters are missing, add them to the method call.
  
  
  
  Check Data Types:
  
  Ensure that the data types of the parameters being passed match the expected types defined in the method. Mismatched types can also lead to errors.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, test the method call again to see if the error persists.
  
  
  
  Consult Documentation:
  
  If you are unsure about the parameters or the method's functionality, refer to the SAP documentation or consult with a colleague who has experience with the specific Business Object.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SWO1 (Business Object Builder) to view and edit Business Objects and their methods.
  Debugging: If the error is not straightforward, consider using the debugger to step through the code and see where the parameters are being set or passed incorrectly.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional context.
  
  By following these steps, you should be able to identify and resolve the OW044 error in your SAP environment.