How To Fix WS894 - WDTPY & is not supported by the function

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 894

• Message text: WDTPY & is not supported by the function

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WS894 - WDTPY & is not supported by the function ?

  SAP Error Message:
  
  WS894 WDTPY & is not supported by the function
  
  Cause:
  This error typically occurs in SAP Workflow when a workflow step or function module is called with an unsupported or incorrect Work Item Type (WDTPY). The placeholder & in the message is replaced by the actual work item type code that is not supported.
  In SAP Workflow, each work item type (e.g., tasks, container elements, etc.) must be supported by the function or method being executed. If the function or method encounters a work item type it does not recognize or support, it raises this error.
  Common causes include:
  
  Custom workflow steps or methods being called with incorrect or unexpected work item types.
  Incorrect configuration or enhancement in the workflow where the work item type is not properly handled.
  Using outdated or incompatible function modules or methods that do not support certain work item types.
  Transport or system inconsistencies where workflow definitions or function modules are out of sync.
  
  
  Solution:
  
  
  Identify the Work Item Type:
  
  Check the exact work item type code passed to the function/module causing the error.
  You can find this in the workflow log or by debugging the workflow runtime.
  
  
  
  Check Function/Method Support:
  
  Verify if the function module or method supports the identified work item type.
  Review SAP documentation or standard code to confirm supported types.
  
  
  
  Adjust Workflow or Code:
  
  If the work item type is incorrect, correct the workflow step or container element to use a supported type.
  If you have custom code, enhance it to handle the new or unexpected work item type properly.
  Ensure that the workflow container and task definitions are consistent and correctly maintained.
  
  
  
  Update or Patch:
  
  If this is a known SAP issue, check SAP Notes for patches or corrections.
  Apply relevant SAP Notes or support packages that address workflow or function module compatibility.
  
  
  
  Debugging:
  
  Use transaction SWUS or SWI1 to analyze the workflow and work item.
  Debug the function module or method to see where the unsupported type is checked and why it fails.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWI1 - Work Item Selection
  SWUS - Workflow Runtime Analysis
  SWDD - Workflow Builder (to check workflow definitions)
  SE37 - Function Module Testing (to test the function module involved)
  
  
  
  SAP Notes:
  
  Search for the error message number WS894 in the SAP Support Portal for any specific notes.
  Look for notes related to workflow runtime errors or work item type support.
  
  
  
  Documentation:
  
  SAP Help Portal on Workflow: Understanding work item types and their handling.
  SAP Workflow Developer Guide for customizing and extending workflow steps.
  
  
  
  
  Summary:
  The error WS894 WDTPY & is not supported by the function means that a workflow function or method received a work item type it does not support. To resolve it, identify the unsupported work item type, verify function/module compatibility, correct workflow definitions or custom code, and apply any relevant SAP Notes or patches. Debugging the workflow runtime and analyzing the work item details will help pinpoint the exact cause.