How To Fix FIBL664 - Check the format of the check numbers

FIBL664 - Overview

• Message type: E = Error

• Message class: FIBL - Messages from Tax Routines / Prenumbered Checks

• Message number: 664

• Message text: Check the format of the check numbers

What causes this issue?

A check number consists of a numeric character string, but can contain
a non-numeric prefix (CH000014) or suffix (000014X).
The structure of the check number entered does not correspond to the
other check numbers of the bank account. There could be discrepancies
in the length, the prefix, or the suffix.
INCLUDE 'CUSTOMIZED_MESSAGE_INFO' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message FIBL664 - Check the format of the check numbers ?

  The SAP error message FIBL664, which states "Check the format of the check numbers," typically occurs during the processing of checks in the SAP system. This error indicates that the check number format does not conform to the expected format defined in the system settings.
  Causes:
  
  Incorrect Check Number Format: The check number may contain invalid characters or may not meet the length requirements specified in the system.
  
  Configuration Issues: The check number format may not be properly configured in the system settings, leading to discrepancies when processing checks.
  Data Entry Errors: Manual entry of check numbers may lead to typographical errors, such as extra spaces or incorrect characters.
  Custom Development: If there are custom programs or enhancements in place, they may not handle check number formats correctly.
  
  Solutions:
  
  
  Verify Check Number Format:
  
  Check the format of the check number being entered. Ensure it adheres to the expected format (e.g., numeric only, specific length).
  Remove any invalid characters or