How To Fix WRF_PPW804 - Message queue was not initialized

WRF_PPW804 - Overview

• Message type: E = Error

• Message class: WRF_PPW - Price Planning Workbench

• Message number: 804

• Message text: Message queue was not initialized

What causes this issue?

Messages that belong to action class &V1&/&V2& are to be written to the
message log.
However, the output log was opened with action class &V3&/&V4&.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

WRF_PPW804 - Details

• The SAP error message WRF_PPW804: Message queue was not initialized typically occurs in the context of SAP Workflow or Process Integration scenarios where the message queue infrastructure is expected to be set up but is found uninitialized or unavailable.
  
  Cause
  
  The message queue system (used for asynchronous communication in SAP Workflow or Process Integration) has not been properly initialized or started.
  The underlying message queue service (such as SAP's own message queue or an external middleware queue) is not running or configured.
  Missing or incorrect configuration in the workflow or process integration environment related to message queue parameters.
  Transport or system copy issues where the message queue setup was not carried over or activated.
  Insufficient authorizations or system inconsistencies preventing the initialization of the message queue.
  
  
  Solution
  
  
  Check Message Queue Service Status:
  
  Verify that the message queue service (e.g., SAP's internal queue or external middleware like IBM MQ, if used) is running.
  For SAP internal queues, check transaction SMQS (Queue