How To Fix FINS_ACDOC_POST027 - Posting Key could not be derived for transaction &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_ACDOC_POST - FIN UDoc posting: Message from posting

• Message number: 027

• Message text: Posting Key could not be derived for transaction &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_ACDOC_POST027 - Posting Key could not be derived for transaction &1 ?

  The SAP error message FINS_ACDOC_POST027 indicates that the system was unable to derive a posting key for a specific transaction. This error typically occurs during the posting of accounting documents in the Financial Accounting (FI) module, particularly when dealing with the Universal Journal (ACDOCA).
  Causes:
  
  Missing Configuration: The posting key may not be configured correctly in the system for the specific transaction type or account.
  Transaction Type Issues: The transaction type being used may not be mapped to a valid posting key.
  Account Type Issues: The account type being used may not have a corresponding posting key defined.
  Document Type Issues: The document type may not be set up correctly to derive the posting key.
  Custom Code: If there are custom enhancements or user exits, they may interfere with the standard posting logic.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the SPRO transaction and navigate to Financial Accounting (New) > General Ledger Accounting (New) > Document > Document Types and ensure that the document type is correctly configured.
  Verify the posting keys in Financial Accounting (New) > General Ledger Accounting (New) > Document > Posting Keys to ensure they are set up for the relevant account types and transaction types.
  
  
  
  Review Transaction Type:
  
  Ensure that the transaction type being used is correctly mapped to a posting key. This can be checked in the configuration settings for the specific transaction.
  
  
  
  Check Account Type:
  
  Verify that the account type being used in the transaction has a valid posting key associated with it.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the posting process to identify where the logic fails to derive the posting key. This may involve looking at custom code or enhancements.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific error message for any additional insights or known issues.
  
  
  
  Contact SAP Support:
  
  If the issue cannot be resolved through configuration or debugging, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBY6 (for document types) and OB41 (for posting keys) to check configurations.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Exits and BAdIs: If custom logic is involved, check for any user exits or Business Add-Ins (BAdIs) that might affect the posting process.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.