How To Fix FS518 - Check numbers cannot have different prefixes

FS518 - Overview

• Message type: E = Error

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

• Message number: 518

• Message text: Check numbers cannot have different prefixes

What causes this issue?

A check number can have a part which does not consist of digits, for
example, CH000014. This non-numerical part before the digits is called
the prefix. The prefixes of all check numbers which belong to a
particular bank account must be the same.

How to fix this error?

Check the prefixes of the check numbers entered.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FS518 - Check numbers cannot have different prefixes ?

  The SAP error message FS518, which states "Check numbers cannot have different prefixes," typically occurs in the context of financial transactions involving checks. This error indicates that there is a mismatch in the prefixes of the check numbers being processed. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Different Prefixes: The error arises when you attempt to process checks that have different prefixes. For example, if you have check numbers starting with "A" and "B," SAP will not allow you to process them together.
  
  Configuration Issues: The check number ranges may be configured in such a way that they are expected to have a consistent prefix, but the data being processed does not adhere to this configuration.
  Data Entry Errors: Manual entry of check numbers may lead to inconsistencies in prefixes, especially if users are not following the established numbering conventions.
  
  
  Solution:
  
  Check Number Consistency: Ensure that all check numbers being processed