How To Fix TPM_TRAC1520 - Posting key &1 is not suitable for posting to customer account

SAP Error Message - Details

• Message type: E = Error

• Message class: TPM_TRAC1 - Treasury: Messages on Accounting Adaptor

• Message number: 520

• Message text: Posting key &1 is not suitable for posting to customer account

What causes this issue?

A posting to a customer account should be made using posting
specification &V2&. However, posting key &V1& that is entered for this
is not suitable for posting to a customer account.

System Response

Error messages appear when you try to post to the operative valuation
area.

How to fix this error?

Use a suitable posting key.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TPM_TRAC1520 - Posting key &1 is not suitable for posting to customer account ?

  The SAP error message TPM_TRAC1520, which states "Posting key &1 is not suitable for posting to customer account," typically occurs in the context of financial transactions, particularly when dealing with customer accounts in the SAP system. This error indicates that the posting key being used is not appropriate for the type of transaction you are trying to execute against a customer account.
  Cause:
  
  Incorrect Posting Key: The posting key specified in the transaction is not configured to allow postings to customer accounts. Each posting key in SAP is associated with specific types of accounts (e.g., customer, vendor, general ledger).
  Transaction Type: The type of transaction you are trying to perform may not be compatible with the posting key. For example, certain posting keys are designated for debit or credit entries, and using them incorrectly can lead to this error.
  Configuration Issues: There may be configuration issues in the Financial Accounting (FI) module that need to be addressed. This could involve settings in the posting key configuration or account determination.
  
  Solution:
  
  Check Posting Key: Verify the posting key being used in the transaction. Ensure that it is appropriate for the type of transaction you are trying to perform. You can check the posting key configuration in the SAP system (Transaction Code: OB41).
  Use Correct Transaction Type: Ensure that you are using the correct transaction type that corresponds with the posting key. For example, if you are trying to post a payment to a customer account, ensure that you are using a posting key that allows for such transactions.
  Consult Configuration: If you have access, review the configuration settings for posting keys in the SAP system. This can be done through the SPRO transaction (Customizing) under Financial Accounting settings.
  Contact SAP Support: If you are unable to resolve the issue through the above steps, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.
  
  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 type of account (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 others that may be relevant to your transaction.
  SAP Documentation: Refer to SAP Help Portal or SAP Notes for detailed information on posting keys and their configurations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.