How To Fix F8123 - The posting key on the debit side is not a debit posting key

F8123 - Overview

• Message type: E = Error

• Message class: F8 -

• Message number: 123

• Message text: The posting key on the debit side is not a debit posting key

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message F8123 - The posting key on the debit side is not a debit posting key ?

  The SAP error message F8123, which states "The posting key on the debit side is not a debit posting key," typically occurs during the posting of financial documents in SAP. This error indicates that the system has detected an inconsistency with the posting keys used in the transaction. Here’s a breakdown of the cause, solution, and related information for this error:
  
  Cause:
  
  Incorrect Posting Key: The posting key used for the debit side of the transaction is not defined as a debit posting key in the SAP system. Posting keys are used to determine the type of transaction (debit or credit) and the account types that can be posted to.
  
  Configuration Issues: There may be a configuration issue in the Financial Accounting (FI) module where the posting keys are not set up correctly.
  User Error: The user may have inadvertently selected the wrong posting key while entering the transaction.
  
  
  Solution:
  
  
  Check Posting Keys:
  
  Verify the posting key