KM128 - Posting key &1 does not have a correct debit/credit indicator

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 128

• Message text: Posting key &1 does not have a correct debit/credit indicator

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KM128 - Posting key &1 does not have a correct debit/credit indicator ?

  The SAP error message KM128, which states "Posting key &1 does not have a correct debit/credit indicator," typically occurs during the posting of financial transactions in the SAP system. This error indicates that the posting key being used is not configured correctly in terms of its debit or credit indicator.
  Cause:
  
  Incorrect Posting Key Configuration: The posting key specified in the transaction does not have the correct debit or credit indicator set in the configuration.
  Transaction Type Mismatch: The transaction being processed may not align with the expected debit/credit nature of the posting key.
  Custom Modifications: If there have been custom modifications or enhancements to the posting keys, they may not adhere to the standard configurations.
  
  Solution:
  
  
  Check Posting Key Configuration:
  
  Go to the SAP transaction code OB13 (for posting key configuration).
  Look for the posting key mentioned in the error message.
  Verify that the debit/credit indicator is set correctly (e.g., a debit posting key should have the debit indicator, and a credit posting key should have the credit indicator).
  
  
  
  Review Transaction:
  
  Ensure that the transaction you are trying to post is appropriate for the posting key being used. For example, if you are trying to post a debit transaction, make sure you are using a posting key that is configured for debit postings.
  
  
  
  Consult with SAP Basis or Functional Consultant:
  
  If you are not able to resolve the issue, it may be necessary to consult with an SAP Basis or functional consultant who can help review the configuration and make necessary adjustments.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments or enhancements in your SAP system, review them to ensure they are not interfering with the standard posting key behavior.
  
  
  
  Related Information:
  
  Posting Keys: Posting keys are two-digit numbers that determine the type of transaction (debit or credit) and the account type (e.g., customer, vendor, asset).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (for general ledger posting) or F-02 (for general posting) to understand where the error is occurring.
  SAP Documentation: Refer to SAP Help documentation for detailed information on posting keys and their configurations.
  
  By following these steps, you should be able to identify and resolve the issue related to the KM128 error message in SAP.