How To Fix SWR120 - The element "Key" of the Wf-XML request contains an invalid value

SAP Error Message - Details

• Message type: E = Error

• Message class: SWR - Business Workflow: WAPI Interfaces

• Message number: 120

• Message text: The element "Key" of the Wf-XML request contains an invalid value

What causes this issue?

The element <AB>Key</> of the Wf-XML request contains an invalid value,
for example the parameter <AB>localkey</> may have an invalid workflow
ID.

System Response

A Wf-XML exception results, which you can view with the transaction
<DS:TRAN.SWXML>Selection Report for XML Documents</> (selection date:
&v2&, selection time: &v3&).

How to fix this error?

Check the element <AB>Key</> in the Wf-XML request.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWR120 - The element "Key" of the Wf-XML request contains an invalid value ?

  The SAP error message SWR120 indicates that there is an issue with the "Key" element in a Workflow XML request. This error typically arises when the value provided for the "Key" element does not match the expected format or does not correspond to a valid object in the system.
  Cause:
  
  Invalid Key Value: The value provided in the "Key" element may not correspond to a valid workflow instance or object in the SAP system.
  Incorrect Data Type: The key might be of the wrong data type or format (e.g., a string instead of an integer).
  Missing Object: The object that the key refers to may not exist or may have been deleted.
  Configuration Issues: There may be issues with the configuration of the workflow or the associated objects.
  
  Solution:
  
  Verify Key Value: Check the value of the "Key" element in the XML request. Ensure that it is correct and corresponds to an existing workflow instance or object.
  Check Object Existence: Use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Selection - Frequency) to verify that the object associated with the key exists in the system.
  Review Data Types: Ensure that the key is in the correct format and data type as expected by the workflow.
  Debugging: If you have access to the backend, you can debug the workflow to see where the error is occurring and what values are being passed.
  Consult Documentation: Review the SAP documentation for the specific workflow to ensure that you are using the correct key format and values.
  Check Workflow Configuration: Ensure that the workflow is properly configured and that all necessary objects are active and correctly set up.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1, SWI2, and SWDD (Workflow Builder) for managing workflows.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific workflow or error message.
  Workflow Logs: Review workflow logs for additional context on the error and to identify any other related issues.
  SAP Community: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the SWR120 error and implement a solution to resolve it.