How To Fix MA855 - No planning period unit selected

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 855

• Message text: No planning period unit selected

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 MA855 - No planning period unit selected ?

  The SAP error message MA855 ("No planning period unit selected") typically occurs in the context of Material Requirements Planning (MRP) or when working with planning scenarios in SAP. This error indicates that the system is unable to determine a planning period unit for the material or planning scenario you are working with.
  Causes:
  
  Missing Configuration: The planning period unit may not be defined in the configuration settings for the material or the planning area.
  Material Master Data: The material master record may not have the necessary planning parameters set up, including the planning period unit.
  Planning Scenario Settings: The planning scenario you are using may not have a defined planning period unit.
  User Input Error: The user may not have selected a planning period unit when executing a planning transaction.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the MRP views. Ensure that the planning parameters, including the planning period unit, are correctly set.
  
  
  
  Review Planning Area Configuration:
  
  If you are using a specific planning area, check the configuration settings in the SAP system (transaction code SPRO). Ensure that the planning period unit is defined for the relevant planning area.
  
  
  
  Define Planning Period Unit:
  
  If the planning period unit is not defined, you may need to define it in the configuration settings. This can typically be done in the MRP settings under the relevant planning parameters.
  
  
  
  User Input:
  
  If the error occurs during a transaction, ensure that you have selected the appropriate planning period unit in the input screen.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to MRP and planning settings for additional guidance on how to configure planning period units.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), SPRO (Customizing), and MD01 (MRP Run).
  MRP Configuration: Understanding the MRP configuration settings in SAP can help prevent similar issues in the future.
  User Training: Ensure that users involved in planning processes are trained on how to properly set up and execute planning transactions in SAP.
  
  By addressing the above points, you should be able to resolve the MA855 error and continue with your planning activities in SAP.