How To Fix WZ304 - ACTION & specified is not supported

WZ304 - Overview

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 304

• Message text: ACTION & specified is not supported

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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WZ304 - Details

• SAP Error Message:
  WZ304 ACTION & specified is not supported
  
  Meaning / 
  Cause:
  This error occurs in SAP Workflow when an action specified in the workflow (or in the workflow container) is not recognized or supported by the system. The placeholder & in the message is replaced by the action name that caused the error.
  Common causes include:
  
  The action name specified in the workflow step or container does not exist or is misspelled.
  The action is not defined in the Business Object (BOR object) or the method is not implemented.
  The workflow is calling an action that is not supported by the current version of the Business Object.
  The action is obsolete or has been deleted.
  The workflow container or step is incorrectly configured to call an unsupported action.
  
  
  Where it occurs:
  
  During workflow execution when the system tries to trigger an action.
  When testing or simulating a workflow.
  When a workflow step tries to call a method/action on a Business Object