How To Fix CM_EHFND_FW_WFF304 - Process definition defines a PCO class that does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_FW_WFF - Messages for Exception Obj. of EHS/PS&S Workflow Foundation

• Message number: 304

• Message text: Process definition defines a PCO class that does not exist

What causes this issue?

The PCO class defined in the process definition cannot be found in the
system.
INCLUDE FND_PCO_CLASS_MESSAGES OBJECT DOKU ID TX

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?

In the Customizing activity <LS>Specify Process Definitions</>, enter a
valid PCO class in your process.

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 CM_EHFND_FW_WFF304 - Process definition defines a PCO class that does not exist ?

  The SAP error message CM_EHFND_FW_WFF304 indicates that there is a problem with a process definition in the SAP system, specifically that it references a PCO (Process Control Object) class that does not exist. This error typically arises in the context of SAP Workflow or SAP Process Integration scenarios.
  Cause:
  
  Missing PCO Class: The PCO class that is referenced in the process definition is not defined or has been deleted from the system.
  Incorrect Configuration: The process definition may have been incorrectly configured, pointing to a non-existent or incorrectly named PCO class.
  Transport Issues: If the process definition was transported from one system to another (e.g., from development to production), the PCO class may not have been included in the transport request.
  Versioning Issues: There may be version mismatches between the process definition and the PCO class, especially if changes were made to either without proper synchronization.
  
  Solution:
  
  Check PCO Class Existence: Verify if the PCO class exists in the system. You can do this by navigating to the relevant transaction (e.g., SWO1 for Object Types) and checking if the class is listed.
  Create or Restore PCO Class: If the PCO class does not exist, you may need to create it or restore it from a backup or transport request.
  Review Process Definition: Open the process definition in the workflow editor and check the configuration. Ensure that the PCO class name is correctly specified and matches the existing class.
  Transport Consistency: If the issue arose after a transport, ensure that all necessary objects, including the PCO class, were included in the transport request. You may need to re-transport the missing objects.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve underlying issues related to the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWDD (Workflow Definition), SWO1 (Business Object Builder), and SWI1 (Work Item Selection).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to Workflow and Process Control Objects for a better understanding of how they are defined and managed within the system.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP Workflow and Process Integration.