How To Fix MD06108 - Error in Customizing. Creditors in MRP area &1 assigned several times

SAP Error Message - Details

• Message type: E = Error

• Message class: MD06 - MRP Area

• Message number: 108

• Message text: Error in Customizing. Creditors in MRP area &1 assigned several times

What causes this issue?

Only one creditor may be assigned to a subcontractor MRP area.

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?

Delete all creditors except for one entry of the MRP area &v1& in the
subcontractor MRP area view using <DS:TRAN.OMIZ>Define MRP areas</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD06108 - Error in Customizing. Creditors in MRP area &1 assigned several times ?

  The SAP error message MD06108 indicates that there is a problem with the assignment of creditors (vendors) in the MRP (Material Requirements Planning) area. Specifically, it suggests that a creditor has been assigned multiple times to the same MRP area, which is not allowed in the system.
  Cause:
  The error typically arises from one of the following scenarios:
  
  Duplicate Assignments: A creditor has been assigned more than once to the same MRP area in the customizing settings.
  Data Entry Errors: During the configuration or data entry process, the same creditor may have been inadvertently entered multiple times.
  Inconsistent Data: There may be inconsistencies in the data that have led to duplicate entries.
  
  Solution:
  To resolve the MD06108 error, you can follow these steps:
  
  
  Check MRP Area Assignments:
  
  Go to the customizing settings for MRP areas in SAP.
  Navigate to the relevant configuration path (usually found under Logistics > Production > MRP > MRP Area).
  Review the assignments of creditors to the MRP area in question.
  
  
  
  Identify Duplicates:
  
  Look for any duplicate entries for the creditor in the MRP area.
  You can use transaction codes like MM02 (Change Material) or MM03 (Display Material) to check the MRP area assignments for specific materials.
  
  
  
  Remove Duplicates:
  
  If you find duplicate assignments, remove the unnecessary entries to ensure that each creditor is assigned only once to the MRP area.
  
  
  
  Validate Changes:
  
  After making changes, validate the configuration to ensure that the error no longer appears.
  You can test the MRP run again to confirm that the issue is resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration, refer to SAP documentation or consult with your SAP support team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD01 (MRP Run), MD02 (Single-item, single-level planning), and MD03 (Single-item, multi-level planning) for MRP processes.
  SAP Notes: Check SAP Notes for any known issues or patches related to MRP area assignments and creditors.
  User Roles: Ensure that you have the necessary authorizations to make changes in the customizing settings.
  
  By following these steps, you should be able to resolve the MD06108 error and ensure proper configuration of creditors in your MRP areas.