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

TPM_TRAC1520 - Overview

• 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