How To Fix MPN108 - No assignments maintained for MPN material &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 108

• Message text: No assignments maintained for MPN material &

What causes this issue?

The manufacturer part profile in the master record for the firm's own
inventory-managed material provides for maintenance of the
<DS:GLOS.3526C060AFAB52B9E10000009B38F974>approved manufacturer parts
list</> (AMPL). However, <DS:GLOS.3526C020AFAB52B9E10000009B38F974>MPN
material</> no. &V1& is not included in the 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 the MPN material in the list. First enter the firm's own
material:
<DS:TRAN.MP01>Perform function</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPN108 - No assignments maintained for MPN material & ?

  The SAP error message MPN108 ("No assignments maintained for MPN material &") typically occurs in the context of managing materials in the SAP system, particularly when dealing with Manufacturer Part Numbers (MPN). This error indicates that there are no assignments or mappings defined for the specified MPN material in the system.
  Cause:
  
  Missing MPN Assignments: The most common cause of this error is that the MPN material has not been assigned to any vendor or manufacturer in the system.
  Incorrect Material Master Data: The material master data may not be properly configured to include MPN information.
  Data Inconsistency: There may be inconsistencies or missing data in the relevant tables that manage MPN assignments.
  
  Solution:
  To resolve the MPN108 error, you can take the following steps:
  
  
  Check MPN Assignments:
  
  Navigate to the MPN assignment screen in SAP (Transaction Code: MM02 for material master or MM03 to view).
  Ensure that the MPN is correctly assigned to the relevant material and vendor.
  
  
  
  Create or Update MPN Assignments:
  
  If no assignments exist, you will need to create them. This can be done by:
  
  Going to the MPN assignment screen.
  Entering the relevant material number and vendor.
  Adding the MPN details.
  
  
  
  
  
  Verify Material Master Data:
  
  Ensure that the material master data is complete and correctly configured.
  Check the MPN field in the material master record to ensure it is populated.
  
  
  
  Check for Data Consistency:
  
  Use transaction codes like SE16 or SE11 to check the relevant database tables (e.g., MARA, MARC, MPN) for any inconsistencies or missing entries.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to MPN management for additional guidance on how to set up and maintain MPN assignments.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  MPN Management: Understanding how MPNs are managed in SAP can help prevent this error. Familiarize yourself with the relevant configuration settings in the system.
  Material Master Configuration: Ensure that the material master is set up correctly, including all necessary fields related to MPNs.
  Vendor Management: Ensure that vendor data is also correctly maintained, as MPNs are often linked to specific vendors.
  
  By following these steps, you should be able to resolve the MPN108 error and ensure that your MPN materials are correctly assigned in the SAP system.