How To Fix FMFG_AAPAY001 - Posting key &1 not suitable for vendor posting

SAP Error Message - Details

• Message type: E = Error

• Message class: FMFG_AAPAY - Payment per Account Assignment

• Message number: 001

• Message text: Posting key &1 not suitable for vendor posting

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMFG_AAPAY001 - Posting key &1 not suitable for vendor posting ?

  The SAP error message FMFG_AAPAY001 indicates that the posting key specified in the transaction is not suitable for vendor postings. This error typically arises in the context of financial transactions, particularly when dealing with accounts payable or vendor invoices.
  Cause:
  
  Incorrect Posting Key: The posting key used in the transaction is not configured to allow postings to vendor accounts. Each posting key in SAP is associated with specific types of transactions (e.g., debit, credit) and account types (e.g., customer, vendor, general ledger).
  Configuration Issues: The posting key may not be properly configured in the system for the type of transaction being attempted.
  Transaction Type: The transaction type being processed may not be compatible with the selected posting key.
  Document Type Restrictions: Certain document types may have restrictions on which posting keys can be used.
  
  Solution:
  
  Check Posting Key: Verify the posting key being used in the transaction. Ensure that it is appropriate for vendor postings. Common posting keys for vendor transactions include 31 (debit) and 21 (credit).
  Review Configuration: If you have access to configuration settings, check the configuration of the posting keys in the SAP system. This can be done through the following path:
  
  SPRO ? Financial Accounting ? General Ledger ? Document Entry ? Document Types ? Define Posting Keys.
  
  
  Use Correct Document Type: Ensure that the document type you are using is compatible with the posting key. You may need to change the document type or the posting key.
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting the SAP Help Portal for further assistance.
  
  Related Information:
  
  Posting Keys: Posting keys are two-digit numbers that determine the type of transaction (debit or credit) and the account type (e.g., vendor, customer, general ledger).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB60 (Enter Incoming Invoice) or F-43 (Enter Vendor Invoice) to ensure you are using the correct processes.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.