How To Fix MN053 - Supplier & not maintained as customer (settlement type & not possible)

MN053 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 053

• Message text: Supplier & not maintained as customer (settlement type & not possible)

What causes this issue?

There is no reference to a debtor in the account control data of the
supplier master record. The debit-side settlement type &V2& is thus not
possible.

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?

Please maintain the missing entry in the supplier master record.

Error message extract from SAP system. Copyright SAP SE.

MN053 - Details

• The SAP error message MN053 ("Supplier & not maintained as customer (settlement type & not possible)") typically occurs in the context of settlement processes, particularly when dealing with purchasing and vendor management. This error indicates that the system is unable to process a transaction because the supplier (vendor) in question is not set up as a customer in the system, which is required for certain types of settlements.
  
  Cause:
  
  Vendor Not Set Up as Customer: The primary cause of this error is that the vendor (supplier) you are trying to use in a settlement process is not maintained as a customer in the SAP system.
  Settlement Type: The error may also be related to the specific settlement type being used, which may require the vendor to be a customer.
  
  Configuration Issues: There may be configuration settings in the system that dictate how vendors and customers are related, and these may not be set up