How To Fix FH143 - Posting key & is no longer defined in account determination

SAP Error Message - Details

• Message type: E = Error

• Message class: FH - General ledger module messages

• Message number: 143

• Message text: Posting key & is no longer defined in account determination

What causes this issue?

Postings which are no longer defined in the posting key were carried
out in the account.

System Response

The program cannot continue because it does not know if conversion can
take place or not.

How to fix this error?

Check the relevant posting key in Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FH143 - Posting key & is no longer defined in account determination ?

  The SAP error message FH143 ("Posting key & is no longer defined in account determination") typically occurs when there is an issue with the configuration of the account determination for a specific posting key in the Financial Accounting (FI) module. This error indicates that the system cannot find a valid account assignment for the specified posting key in the account determination settings.
  Cause:
  
  Missing Configuration: The posting key in question is not properly configured in the account determination settings.
  Changes in Posting Keys: The posting key may have been deleted or modified in the system, leading to a mismatch.
  Incorrect Account Assignment: The account assignment for the posting key may not be defined for the specific transaction or document type being processed.
  Transport Issues: If the configuration was transported from another system, it may not have been transported correctly.
  
  Solution:
  
  
  Check Account Determination Configuration:
  
  Go to the transaction code OBYC (Automatic Account Determination).
  Verify the settings for the relevant transaction type and ensure that the posting key is correctly defined.
  Ensure that the necessary accounts are assigned for the relevant transaction types.
  
  
  
  Review Posting Key Settings:
  
  Use transaction code OBA7 to check the posting key settings.
  Ensure that the posting key is active and correctly configured for the intended use.
  
  
  
  Check Document Type Settings:
  
  Use transaction code OBYZ to check the document type settings.
  Ensure that the document type is correctly linked to the posting key and that the account determination is set up properly.
  
  
  
  Consult with Configuration Team:
  
  If you are not able to resolve the issue, consult with your SAP FI configuration team to review the account determination settings and ensure that they are correctly set up.
  
  
  
  Testing:
  
  After making any changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  OBYC: Automatic Account Determination
  OBA7: Maintain Posting Keys
  OBYZ: Document Type Configuration
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Review SAP documentation on account determination and posting keys for further understanding of the configuration process.
  
  By following these steps, you should be able to identify and resolve the issue causing the FH143 error message in SAP.