How To Fix FL103 - Do not use 'umlaut' characters

FL103 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 103

• Message text: Do not use 'umlaut' characters

What causes this issue?

You used an invalid character in the name of the function module or
function group. Note the naming conventions for function modules and
function groups described in the F1 help.

System Response

How to fix this error?

Enter a name containing only alphanumeric characters and an underline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL103 - Do not use 'umlaut' characters ?

  The SAP error message FL103, which states "Do not use 'umlaut' characters," typically occurs when a user attempts to enter data that includes umlaut characters (such as ä, ö, ü) in fields that do not support these characters. This can happen in various SAP transactions or data entry forms, particularly in fields that are not configured to handle special characters.
  
  Cause:
  
  Field Restrictions: Certain fields in SAP are restricted to a specific character set, and umlaut characters are not included in that set.
  Data Format: The data format or encoding settings in the SAP system may not support umlaut characters.
  Legacy Systems: If the SAP system is integrated with legacy systems or databases that do not support umlaut characters, this error may arise.
  
  
  Solution:
  
  Avoid Umlaut Characters: The simplest solution is to avoid using umlaut characters in the affected fields. Instead, use alternative spellings (e.g., replace "ä" with "a", "ö" with "o", and "ü" with "u").
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