Message type: E = Error
Message class:  FIBL - Messages from Tax Routines / Prenumbered Checks 
Message number: 606
Message text: Checks created manually cannot be edited
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The SAP error message FIBL606 indicates that a check (or payment) has been created manually and cannot be edited. This typically occurs in the context of financial transactions, particularly when dealing with payment processing in SAP.
Cause: Manual Creation: The check was created manually, which means it is not linked to a specific document or transaction that allows for editing. System Settings: Certain system settings or configurations may restrict editing of manually created checks to prevent inconsistencies or errors in financial records. Authorization Issues: The user may not have the necessary permissions to edit the check, even if it was created manually.
Solution: Review Check Creation: Verify if the check was indeed created manually. If it was created through a transaction that allows for editing, you may need to check the process followed. Use Correct Transaction: If you need to make changes, consider using the appropriate transaction code that allows for editing of checks, if applicable. Delete and
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