How To Fix M3457 - Enter a forecast model or model selection

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 457

• Message text: Enter a forecast model or model selection

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 M3457 - Enter a forecast model or model selection ?

  The SAP error message M3457, which states "Enter a forecast model or model selection," typically occurs in the context of demand planning or forecasting within the SAP system. This error indicates that the system requires a forecast model to be specified for the planning process, but none has been provided.
  Cause:
  
  Missing Forecast Model: The most common cause of this error is that the user has not selected or entered a forecast model in the relevant transaction or screen.
  Configuration Issues: There may be issues with the configuration of the forecasting settings in the system, such as missing or incorrectly set up forecast models.
  User Input Error: The user may have overlooked the field for entering the forecast model or may have entered an invalid value.
  
  Solution:
  
  
  Enter a Forecast Model: 
  
  Navigate to the relevant transaction (e.g., transaction code MC88 for forecast model selection).
  Ensure that you select or enter a valid forecast model in the appropriate field.
  
  
  
  Check Configuration:
  
  If you are responsible for system configuration, check the settings for forecast models in the SAP system. Ensure that the models are correctly defined and activated.
  You can do this by going to the configuration settings for demand planning and verifying that the forecast models are set up correctly.
  
  
  
  Review User Permissions: 
  
  Ensure that the user has the necessary permissions to access and select forecast models. Sometimes, restrictions in user roles can lead to such errors.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help files for guidance on how to properly set up and use forecast models.
  
  
  
  Contact Support: 
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Forecast Models: These are predefined algorithms or methods used to predict future demand based on historical data. Common models include moving averages, exponential smoothing, and seasonal decomposition.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MC88 (for forecast model selection) and MC94 (for planning book settings).
  SAP Notes: Check SAP Notes for any updates or patches that may address issues related to forecast models and planning.
  
  By following these steps, you should be able to resolve the M3457 error and successfully enter a forecast model for your planning activities in SAP.