How To Fix MU1016 - Plant &1 is not the highest priority source of supply for store &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: MU1 - Message class for changing source list for logist. product

• Message number: 016

• Message text: Plant &1 is not the highest priority source of supply for store &2.

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 MU1016 - Plant &1 is not the highest priority source of supply for store &2. ?

  The SAP error message MU1016 indicates that the specified plant (Plant &1) is not the highest priority source of supply for the specified store (Store &2). This error typically arises in the context of inventory management and material requirements planning (MRP) when the system is trying to determine the best source of supply for a particular store or location.
  Cause:
  
  Source of Supply Priority: The error occurs when the plant you are trying to use does not have the highest priority for supplying the store in question. SAP uses a priority system to determine which plant should supply a store based on various criteria, such as stock availability, lead times, and predefined supply priorities.
  Configuration Issues: There may be configuration settings in the system that define the priority of sources of supply, and the plant in question may not be set up correctly in relation to the store.
  Master Data Issues: The material master or the plant master data may not be correctly maintained, leading to incorrect priority settings.
  
  Solution:
  
  
  Check Source of Supply Configuration:
  
  Go to the configuration settings for the material and check the source of supply priorities. Ensure that the plant is correctly assigned and has the highest priority for the store.
  You can check the configuration in transaction codes like SPRO (SAP Reference IMG) and navigate to the relevant sections for material management and supply chain.
  
  
  
  Review Master Data:
  
  Check the material master data for the material in question. Ensure that the plant is correctly assigned and that the relevant data (like stock levels, lead times, etc.) is accurate.
  Use transaction code MM03 to view the material master data and verify the plant settings.
  
  
  
  Adjust Supply Chain Settings:
  
  If necessary, adjust the supply chain settings to ensure that the correct plant is prioritized for the store. This may involve changing the planning strategy or adjusting the MRP settings.
  
  
  
  Consult with Your SAP Team:
  
  If you are unable to resolve the issue, consult with your SAP support team or a functional consultant who specializes in materials management. They can provide insights into the specific configuration and data settings in your SAP environment.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), MD01 (MRP Run), and MM03 (Display Material).
  Documentation: Review SAP documentation related to MRP and inventory management for more detailed information on how source prioritization works.
  User Roles: Ensure that you have the necessary authorizations to view and modify the relevant master data and configuration settings.
  
  By following these steps, you should be able to identify the cause of the MU1016 error and implement the necessary changes to resolve it.