How To Fix FF604 - Posting keys &1 and &2 are not defined for the same account type

SAP Error Message - Details

• Message type: E = Error

• Message class: FF - FI Function Module Messages

• Message number: 604

• Message text: Posting keys &1 and &2 are not defined for the same account type

What causes this issue?

You want to post to one account using both posting keys &v1& and &v2&.
This is only possible however, if both posting keys have been defined
for postings to the same account types. This is not the case however.

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FF604 - Posting keys &1 and &2 are not defined for the same account type ?

  The SAP error message FF604 indicates that there is a mismatch in the posting keys being used for a specific account type in a financial transaction. This error typically arises when you attempt to post a transaction using two different posting keys that are not compatible with the same account type.
  Cause:
  
  Incompatible Posting Keys: The posting keys you are trying to use are not defined for the same account type. For example, if you are trying to post a debit and a credit using posting keys that are meant for different account types (like one for asset accounts and another for liability accounts), this error will occur.
  Configuration Issues: The posting keys may not be properly configured in the system for the specific account type you are working with.
  Transaction Type: The type of transaction you are trying to perform may not allow the combination of the specified posting keys.
  
  Solution:
  
  Check Posting Keys: Review the posting keys being used in the transaction. Ensure that both posting keys are compatible with the same account type. You can do this by checking the configuration in the SAP system.
  Configuration Review: Go to the configuration settings in SAP (Transaction Code: OB41) to verify the posting keys and their definitions. Ensure that the posting keys you are using are correctly defined for the account types involved.
  Use Compatible Posting Keys: If you find that the posting keys are indeed incompatible, modify your transaction to use posting keys that are defined for the same account type.
  Consult Documentation: Refer to SAP documentation or help resources for more information on posting keys and their configurations.
  
  Related Information:
  
  Posting Keys: Posting keys are two-digit numbers that determine the type of transaction (debit or credit) and the type of account (e.g., asset, liability, revenue, expense) that is being posted.
  Account Types: Different account types in SAP include asset accounts, liability accounts, revenue accounts, and expense accounts. Each account type has specific posting keys associated with it.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OB41: To configure posting keys.
  FB50: To post general ledger entries.
  F-02: To post a document.
  
  
  
  By following these steps and understanding the underlying concepts, you should be able to resolve the FF604 error in SAP.