How To Fix MDG_SF201 - Carrier &1 cannot be changed when carrier &2 is already in change

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_SF - MDG: Sample Model SFlight

• Message number: 201

• Message text: Carrier &1 cannot be changed when carrier &2 is already in change

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_SF201 - Carrier &1 cannot be changed when carrier &2 is already in change ?

  The SAP error message MDG_SF201 indicates that there is an issue with changing a carrier in the Master Data Governance (MDG) system. Specifically, it means that you are trying to change a carrier (Carrier &1) while another change request for a different carrier (Carrier &2) is already in progress. This is a common issue in systems where multiple users or processes may be trying to modify the same data simultaneously.
  Cause:
  
  Concurrent Change Requests: The primary cause of this error is that there is an existing change request for Carrier &2 that is currently being processed or has not been completed. The system prevents changes to Carrier &1 to avoid conflicts and ensure data integrity.
  Locking Mechanism: SAP uses a locking mechanism to prevent simultaneous changes to the same data. If one user is editing a carrier, other users will be blocked from making changes until the first user's changes are either saved or canceled.
  
  Solution:
  
  Check Active Change Requests: Review the active change requests in the MDG system. You can do this by navigating to the relevant transaction or using the MDG change request monitoring tools. Identify if there is an active change request for Carrier &2.
  Complete or Cancel the Change Request: If you have access, you can either complete the change request for Carrier &2 or cancel it if it is no longer needed. Once the change request is completed or canceled, you should be able to proceed with the changes to Carrier &1.
  Wait for Completion: If you do not have the authority to cancel or complete the change request, you may need to wait until the user who is processing the change for Carrier &2 finishes their work.
  Communicate with Team Members: If you are working in a team environment, communicate with your colleagues to ensure that everyone is aware of the changes being made to avoid conflicts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP MDG, such as MDG_MAT for material master data or MDG_CARR for carrier data, to monitor and manage change requests.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to view and manage change requests in the MDG system.
  SAP Notes and Documentation: Check SAP Notes for any known issues or updates related to this error message. SAP's official documentation may also provide additional insights into managing change requests effectively.
  
  By following these steps, you should be able to resolve the MDG_SF201 error and proceed with your changes in the SAP MDG system.