How To Fix FG018 - Determination of the clearing date is not clear

SAP Error Message - Details

• Message type: E = Error

• Message class: FG - Program Error Messages

• Message number: 018

• Message text: Determination of the clearing date is not clear

What causes this issue?

You can either specify the clearing date or else it is transferred from
the youngest document in a group which can be cleared.

System Response

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

How to fix this error?

Either specify a clearing date or set the "Clearing date from youngest
document" flag.

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 FG018 - Determination of the clearing date is not clear ?

  The SAP error message FG018, "Determination of the clearing date is not clear," typically occurs in the context of financial transactions, particularly when dealing with clearing accounts or payment processing. This error indicates that the system is unable to determine a valid clearing date for a transaction, which is essential for processing payments or clearing open items.
  Causes:
  
  Missing Configuration: The clearing date determination may not be properly configured in the system. This can happen if the necessary settings in the financial accounting (FI) module are incomplete or incorrect.
  Incomplete Master Data: The master data for the relevant accounts (e.g., vendor or customer accounts) may be incomplete or missing necessary information that affects the clearing date.
  Transaction Type Issues: The specific transaction type being processed may not have a defined clearing date logic.
  Posting Period Issues: The posting period may be closed or not open for the transaction date, which can prevent the system from determining a valid clearing date.
  Custom Logic: If there are custom enhancements or user exits that affect the clearing date determination, they may not be functioning correctly.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for clearing date determination in the SAP system. This can typically be found in the Financial Accounting (FI) module under the relevant settings for clearing accounts.
  Review Master Data: Ensure that all relevant master data (e.g., vendor/customer accounts) is complete and correctly maintained. Check for any missing fields that may affect the clearing process.
  Examine Transaction Types: Verify that the transaction type being used has a defined clearing date logic. If necessary, consult with your SAP functional consultant to ensure that the transaction type is set up correctly.
  Check Posting Periods: Ensure that the posting period for the transaction date is open. You can do this by checking the period control settings in the system.
  Debug Custom Logic: If there are custom enhancements or user exits, review the code to ensure that it is functioning as intended. You may need to involve a developer to troubleshoot any issues.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for additional insights or specific configuration steps.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as OB52 (to check and manage posting periods) or FS00 (to review account master data).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional guidance on configuration.
  Support: If the issue persists after checking the above areas, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the root cause of the FG018 error and implement the necessary solutions to resolve it.