How To Fix /SCWM/MQ_CONFIG021 - Do not change message queue definition with namespace &1 in system &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MQ_CONFIG -

• Message number: 021

• Message text: Do not change message queue definition with namespace &1 in system &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MQ_CONFIG021 - Do not change message queue definition with namespace &1 in system &2 ?

  The SAP error message /SCWM/MQ_CONFIG021 indicates that there is an issue with the message queue definition in the SAP Extended Warehouse Management (EWM) system. This error typically arises when there is an attempt to change a message queue definition that is associated with a specific namespace in a particular system.
  Cause:
  
  Namespace Restrictions: The error is triggered when there is an attempt to modify a message queue definition that belongs to a specific namespace. In SAP, namespaces are used to differentiate between different applications or modules, and certain namespaces may have restrictions on modifications to ensure system integrity.
  System Configuration: The system may be configured in such a way that it does not allow changes to certain message queues, possibly due to dependencies or ongoing processes that rely on those queues.
  Authorization Issues: The user attempting to make the change may not have the necessary authorizations to modify the message queue definitions.
  
  Solution:
  
  Check Namespace: Verify the namespace mentioned in the error message. Ensure that you are not trying to modify a message queue that is restricted or managed by another application or module.
  Review System Configuration: Consult with your system administrator or SAP Basis team to understand the configuration settings related to message queues. They may need to check if there are any restrictions in place for the specific namespace.
  Authorization Check: Ensure that the user has the appropriate authorizations to make changes to message queue definitions. If not, the user may need to be granted the necessary permissions.
  Consult Documentation: Refer to SAP documentation or notes related to message queue management in EWM for any specific guidelines or restrictions that may apply to your situation.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  Related Information:
  
  Message Queues in EWM: Understanding how message queues work in SAP EWM can help in troubleshooting issues related to message processing and system performance.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context on message queue management.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.