How To Fix MA066 - Choose one model selection procedure

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 066

• Message text: Choose one model selection procedure

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 MA066 - Choose one model selection procedure ?

  The SAP error message MA066, which states "Choose one model selection procedure," typically occurs in the context of Material Requirements Planning (MRP) or when working with forecasting and planning in SAP. This error indicates that the system requires you to select a specific model selection procedure for the planning process, but none has been defined or selected.
  Cause:
  
  Missing Model Selection Procedure: The most common cause of this error is that the user has not selected a model selection procedure in the relevant configuration or transaction.
  Configuration Issues: The model selection procedures may not be properly configured in the system, or the user may not have the necessary authorizations to access them.
  Data Inconsistencies: There may be inconsistencies in the master data or planning data that prevent the system from determining the appropriate model selection procedure.
  
  Solution:
  
  
  Select a Model Selection Procedure:
  
  Navigate to the relevant transaction where the error occurs (e.g., transaction code MD61 for planning).
  Look for a field or option to select a model selection procedure. Choose an appropriate procedure from the list provided.
  
  
  
  Check Configuration:
  
  Go to the configuration settings for model selection procedures. This can typically be found in the SAP Easy Access menu under:
  
  Logistics > Production > Material Requirements Planning > Master Data > Forecasting > Define Model Selection Procedures.
  
  
  Ensure that the necessary model selection procedures are defined and active.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access and select model selection procedures. This may require coordination with your SAP security team.
  
  
  
  Data Consistency Check:
  
  Verify that the master data (material master, info records, etc.) is complete and consistent. Incomplete or incorrect data can lead to issues in model selection.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on model selection procedures and their configuration.
  
  
  
  Related Information:
  
  Model Selection Procedures: These are predefined methods used in forecasting and planning to determine how demand is predicted based on historical data. Common procedures include moving averages, exponential smoothing, etc.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD61 (Create Planning) and MD62 (Change Planning) to navigate the planning process effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be updates or fixes provided by SAP.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in MRP and forecasting.