How To Fix FMFG_AAPAY002 - Posting key &1 not suitable for customer posting

SAP Error Message - Details

• Message type: E = Error

• Message class: FMFG_AAPAY - Payment per Account Assignment

• Message number: 002

• Message text: Posting key &1 not suitable for customer 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_AAPAY002 - Posting key &1 not suitable for customer posting ?

  The SAP error message FMFG_AAPAY002 indicates that the posting key specified in the transaction is not suitable for customer postings. This error typically arises in the context of financial transactions, particularly when dealing with accounts payable or accounts receivable.
  Cause:
  
  Incorrect Posting Key: The posting key used in the transaction is not configured to allow postings to customer accounts. Each posting key in SAP is associated with specific types of transactions and account types.
  Configuration Issues: The posting key may not be set up correctly in the system configuration, or it may not be assigned to the appropriate account types.
  Transaction Type Mismatch: The transaction being processed may not align with the expected transaction type for the specified posting key.
  
  Solution:
  
  
  Check Posting Key Configuration:
  
  Go to the SAP configuration (transaction code OB13) to review the posting key settings.
  Ensure that the posting key you are using is configured to allow postings to customer accounts.
  
  
  
  Use the Correct Posting Key:
  
  Identify the correct posting key for customer postings. Common posting keys for customer transactions include 01 (Debit) and 11 (Credit).
  Modify your transaction to use the appropriate posting key.
  
  
  
  Review Transaction Type:
  
  Ensure that the transaction type you are trying to execute is compatible with the posting key you are using.
  If necessary, consult with your SAP functional consultant to verify the transaction type and posting key compatibility.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for more information on posting keys and their configurations.
  
  
  
  Testing:
  
  After making changes, perform a test transaction to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Posting Keys: Posting keys are two-digit numbers that determine the type of transaction being posted (e.g., debit or credit) and the account type (e.g., customer, vendor, general ledger).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (Post Document), F-28 (Post Incoming Payments), and F-32 (Clear Customer).
  SAP Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to resolve the FMFG_AAPAY002 error and successfully process your customer postings.