How To Fix 8A602 - Document type 'AB' not defined. No discount document can be posted

8A602 - Overview

• Message type: E = Error

• Message class: 8A - Messages for Argentina

• Message number: 602

• Message text: Document type 'AB' not defined. No discount document can be posted

What causes this issue?

There is no document type defined which can be used for the discount
document that should be posted automatically.

System Response

The payment document cannot be posted, the transaction is aborted.

How to fix this error?

Please, maintain your customizing tables. You have to define a document
type for the discount documents or you have to define the document type
'AB' (general accounting document) which can be used if no special
document is defined.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 8A602 - Document type 'AB' not defined. No discount document can be posted ?

  The SAP error message 8A602 indicates that the document type 'AB' is not defined for discount documents in the system. This error typically arises when trying to post a discount document, but the system cannot find the necessary configuration for the specified document type.
  
  Cause:
  
  Missing Configuration: The document type 'AB' has not been defined in the system for discount documents.
  Incorrect Document Type: The document type being used may not be appropriate for the transaction you are trying to perform.
  Customizations: If your organization has custom document types, the necessary configuration for the 'AB' type may not have been set up correctly.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Document Type Configuration:
  
  Go to the SAP transaction code OBY6 (or SPRO -> Financial Accounting -> Accounts Receivable and Accounts Payable -> Document Types -> Define Document Types).
  Look for the document type 'AB' and ensure it is defined correctly for discount documents.
  
  
  
  Define Document Type:
  
  If