How To Fix WL812 - Work item &: Callback function module & cannot be set

WL812 - Overview

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 812

• Message text: Work item &: Callback function module & cannot be set

What causes this issue?

The callback function module for the callback of the work item to the
workflow manager (WFM) cannot be set. It is not possible to update the
work item header.

System Response

The action was terminated, the work item was not changed.

How to fix this error?

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

INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL812 - Work item &: Callback function module & cannot be set ?

  The SAP error message WL812 indicates that there is an issue with a work item in the workflow system, specifically related to a callback function module that cannot be set. This error typically arises in the context of SAP Business Workflow when the system is unable to find or execute the specified function module for a work item.
  Causes:
  
  Missing Function Module: The specified callback function module may not exist in the system or may have been deleted.
  Authorization Issues: The user executing the workflow may not have the necessary authorizations to execute the function module.
  Incorrect Configuration: The workflow may be incorrectly configured, pointing to a non-existent or incorrect function module.
  Transport Issues: If the workflow was transported from one system to another, the function module may not have been included in the transport request.
  Syntax Errors: There may be syntax errors or issues within the function module itself that prevent it from being executed.
  
  Solutions:
  
  Check