How To Fix WD233 - Use a permitted task type (& is not valid)

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 233

• Message text: Use a permitted task type (& is not valid)

What causes this issue?

You have specified a task that cannot be used.

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?

Specify a task of one of the following types:
Standard task (TS)
Customer task (T)
Workflow template (WS)
Workflow task (WF)

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 WD233 - Use a permitted task type (& is not valid) ?

  SAP Error Message:
  
  WD233 Use a permitted task type (& is not valid)
  
  Cause:
  This error occurs in the Web Dynpro ABAP (WD ABAP) environment when an invalid or not permitted task type is assigned or used in a Web Dynpro component or configuration. Specifically, the task type being referenced is not allowed in the current context or does not conform to the expected task types defined in the Web Dynpro framework.
  Common scenarios include:  
  
  Assigning a task type that is not defined or supported in the Web Dynpro component’s task configuration.  
  Using a task type that is not permitted for the particular node or component in the Web Dynpro application.  
  Typographical errors or incorrect task type names in the component or application configuration.
  
  
  Solution:
  
  
  Check Task Type Configuration:  
  
  Go to the Web Dynpro component in the SAP GUI or Eclipse-based Web Dynpro development environment.  
  Verify the task types assigned to the component or node. Ensure that only permitted and valid task types are used.
  
  
  
  Correct Task Type Names:  
  
  Make sure the task type name matches exactly the allowed task types (case-sensitive).  
  Correct any typos or invalid entries.
  
  
  
  Review Web Dynpro Component Documentation:  
  
  Refer to the SAP documentation or component-specific guidelines to understand which task types are allowed.
  
  
  
  Adjust the Component or Application Logic:  
  
  If a custom task type is needed, ensure it is properly defined and registered in the system.  
  Otherwise, replace the invalid task type with a valid one.
  
  
  
  Check for SAP Notes or Patches:  
  
  Sometimes, this error can be caused by bugs or inconsistencies fixed in SAP Notes. Search the SAP Support Portal for notes related to message WD233.
  
  
  
  
  Related Information:
  
  
  Web Dynpro Task Types:
  
  Web Dynpro uses task types to define the behavior of UI elements and navigation flows. Common task types include START, END, ACTION, NAVIGATION, etc. Using an unsupported task type will trigger this error.
  
  
  SAP Help and Documentation:
  
  Refer to the SAP Web Dynpro ABAP documentation for detailed information on task types and their usage:
  
  SAP Help Portal - Web Dynpro ABAP
  
  
  Debugging Tips:  
  
  Use the Web Dynpro trace and debugger to identify where the invalid task type is being set.  
  Check the component’s metadata and configuration files.
  
  
  
  
  If you provide the exact context or code snippet where this error occurs, I can help you pinpoint the issue more precisely.