How To Fix /SCMTMS/TRQ666 - &1 with service type &2 from mandatory FWA service cannot be changed

/SCMTMS/TRQ666 - Overview

• Message type: E = Error

• Message class: /SCMTMS/TRQ -

• Message number: 666

• Message text: &1 with service type &2 from mandatory FWA service cannot be changed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/TRQ666 - &1 with service type &2 from mandatory FWA service cannot be changed ?

  The SAP error message /SCMTMS/TRQ666 &1 with service type &2 from mandatory FWA service cannot be changed typically occurs in the context of SAP Transportation Management (TM) when there is an attempt to modify a service that is part of a mandatory Freight Order (FWA) service.
  
  Cause:
  
  Mandatory Service: The service type indicated in the error message is part of a mandatory service configuration in the Freight Order. This means that the service is essential for the execution of the transportation process and cannot be altered or removed.
  Configuration Settings: The system is configured to enforce certain services as mandatory, which may be due to business rules or compliance requirements.
  Freight Order Status: The status of the Freight Order may also prevent changes to mandatory services. For example, if the order is already in a processed state, modifications may be restricted.
  
  
  Solution:
  
  Review Service Configuration: Check the configuration of the Freight Order and the associated services.