How To Fix FKKINV660 - Invoicing unit contains source documents for multiple master agreements

FKKINV660 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 660

• Message text: Invoicing unit contains source documents for multiple master agreements

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV660 - Invoicing unit contains source documents for multiple master agreements ?

  The SAP error message FKKINV660 indicates that the invoicing unit you are trying to process contains source documents that are associated with multiple master agreements. This situation typically arises in the context of contract accounting or invoicing processes where the system expects all source documents to be linked to a single master agreement for the invoicing unit.
  
  Cause:
  
  Multiple Master Agreements: The invoicing unit has source documents (like invoices, credit memos, etc.) that are linked to different master agreements. This can happen if the documents were created under different contracts or agreements.
  Incorrect Document Assignment: There may be a misconfiguration or incorrect assignment of documents to the invoicing unit, leading to the system detecting multiple agreements.
  Data Entry Errors: Manual errors during data entry or document creation can lead to documents being incorrectly associated with different agreements.
  
  
  Solution:
  
  Review Source Documents: Check the source documents associated with the invoicing unit. Identify which documents are linked to