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

WD233 - Overview

• 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.

WD233 - Details

• 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