How To Fix SWF_UTL_000029 - Current value of element '&1' is not an object reference

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_UTL_000 - Messages for I/O - Service Class CL_SWF_IO_SERVICES

• Message number: 029

• Message text: Current value of element '&1' is not an object reference

<AB>&CAUSE&</>
When the system checked the element value, it determined that this
cannot be interpreted as an object reference.

System Response

As the element has been defined as an object, the value cannot be
transferred to the container.

How to fix this error?

Ensure that a valid object reference is transferred as an element
value. You can enter constant object references using the input help.
Alternatively, you can also enter constant object references directly
in the form [object type category.class name.key], for example:
<AB>[BO.FORMABSENC.0000000003]</>,,for a BOR object of type
<AB>FORMABSENC</> with the key <AB>0000000003</>
<AB>[CL.CL_MY_OBJECT.ABCD]</>,,for an object of an ABAP class of type
<AB>CL_MY_OBJECT</> with the key <AB>ABCD</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_UTL_000029 - Current value of element '&1' is not an object reference ?

  The SAP error message SWF_UTL_000029 indicates that there is an issue with the value of a specific element in a workflow. The message states that the current value of the element (denoted by &1) is not an object reference, which means that the workflow is expecting an object reference but is receiving a different type of value (such as a string, number, or null).
  Cause:
  
  Incorrect Data Type: The element in question is expected to hold an object reference, but it may be holding a different data type or a null value.
  Workflow Configuration: There may be a misconfiguration in the workflow definition or the binding of the workflow elements.
  Data Flow Issues: The data being passed to the workflow might not be correctly formatted or might not be initialized properly before being used in the workflow.
  Programming Errors: If custom code is involved (e.g., ABAP code), there may be errors in how the object references are being created or passed.
  
  Solution:
  
  Check Workflow Configuration: Review the workflow definition and ensure that the element is correctly defined as an object reference. Verify that the binding of the workflow elements is correct.
  Validate Data Types: Ensure that the data being passed to the workflow is of the correct type. If the element is supposed to be an object reference, make sure that it is being initialized and assigned correctly.
  Debugging: Use the workflow log and debugging tools to trace the execution of the workflow. Check the values being passed to the element and identify where the incorrect value is being introduced.
  Review Custom Code: If there is custom ABAP code involved, review it for any potential issues related to object creation and assignment. Ensure that object references are being handled correctly.
  Test with Sample Data: If possible, test the workflow with known good data to see if the issue persists. This can help isolate whether the problem is with the data being passed or with the workflow itself.
  
  Related Information:
  
  Workflow Logs: Check the workflow logs for additional details about the error and the context in which it occurred.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to workflows and object references to ensure compliance with best practices.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the workflow and the context of the error.