How To Fix MPN103 - List maintenance not defined for material &

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN - System Messages re Manufacturer Part Number Management

• Message number: 103

• Message text: List maintenance not defined for material &

What causes this issue?

The profile that is assigned to your firm's own, inventory-managed
material &V1& makes no provision for maintenance of the
<DS:GLOS.approved_manufacturer_parts_list>approved manufacturer parts
list</>.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a material for which you can maintain the list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN103 - List maintenance not defined for material & ?

  The SAP error message MPN103 ("List maintenance not defined for material &") typically occurs in the context of Material Requirements Planning (MRP) or when dealing with materials that are part of a specific planning scenario. This error indicates that the system cannot find the necessary list maintenance settings for the specified material.
  Cause:
  
  Missing List Maintenance Configuration: The most common cause of this error is that the list maintenance for the material in question has not been defined in the system. This could be due to a lack of configuration in the material master or the planning settings.
  Material Type Issues: The material type may not be set up to allow for list maintenance.
  Incorrect Material Status: The material may be in a status that does not allow for list maintenance.
  Missing MRP Data: The material may not have the necessary MRP data set up, which is required for the system to perform planning functions.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the Material Master (Transaction Code: MM03) and check if the material has the necessary data in the relevant views (e.g., MRP view).
  Ensure that the list maintenance is defined for the material type.
  
  
  
  Define List Maintenance:
  
  If list maintenance is not defined, you may need to configure it. This can typically be done in the customizing settings (Transaction Code: SPRO).
  Navigate to Logistics > Material Management > Material Requirements Planning > Master Data > Define List Maintenance and ensure that the necessary settings are in place.
  
  
  
  Check MRP Settings:
  
  Ensure that the MRP settings for the material are correctly configured. This includes checking the MRP type, lot size, and other relevant parameters.
  
  
  
  Material Status:
  
  Verify that the material status allows for planning and list maintenance. If the material is blocked or has a status that restricts its use, you may need to change it.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on configuring list maintenance for your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), SPRO (Customizing).
  Material Types: Different material types may have different settings and requirements for list maintenance.
  MRP Views: Ensure that the MRP views are properly maintained in the material master.
  User Authorizations: Ensure that you have the necessary authorizations to view and change material master data.
  
  By following these steps, you should be able to resolve the MPN103 error and ensure that list maintenance is properly defined for the material in question.