How To Fix MM331 - Select all planning fields

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 331

• Message text: Select all planning fields

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 MM331 - Select all planning fields ?

  The SAP error message MM331, which states "Select all planning fields," typically occurs in the context of Material Requirements Planning (MRP) or when executing planning-related transactions in the Materials Management (MM) module. This error indicates that certain required fields for planning have not been filled out or selected, which prevents the system from executing the planning process.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Selection Criteria: Required fields for planning (such as plant, material, or planning type) are not selected or filled in the planning transaction.
  Incorrect Configuration: The configuration settings for MRP or planning may not be set up correctly, leading to missing fields.
  User Input Error: The user may have overlooked entering necessary data or selecting options in the planning screen.
  
  Solution:
  To resolve the MM331 error, you can take the following steps:
  
  
  Check Input Fields: Ensure that all required fields in the planning transaction are filled out. This includes:
  
  Plant
  Material
  MRP Area (if applicable)
  Planning type
  Any other relevant selection criteria
  
  
  
  Review Configuration: If you have access to configuration settings, check the MRP settings in the SAP system to ensure that all necessary fields are defined and correctly configured.
  
  
  Use the Correct Transaction: Make sure you are using the correct transaction code for the planning process you are trying to execute (e.g., MD01 for MRP run).
  
  
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction you are using to understand the required fields and their significance.
  
  
  Seek Help from SAP 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:
  
  Transaction Codes: Common transaction codes related to MRP include MD01 (MRP Run), MD02 (MRP for Single Item), and MD04 (Stock/Requirements List).
  SAP Notes: Check SAP Notes for any updates or patches that may address this error.
  User Training: Ensure that users involved in planning processes are adequately trained on the required fields and procedures to minimize errors.
  
  By following these steps, you should be able to identify and resolve the cause of the MM331 error in SAP.