How To Fix FL375 - Include name "&" contains unexpected format

FL375 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 375

• Message text: Include name "&" contains unexpected format

What causes this issue?

You need to save the interface of an update or remotely-callable
function module. However, the name of the program file does not compy
with the naming convention. There is an error in the Function Builder.

System Response

The Function Builder terminated the save operation.

How to fix this error?

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.

FL375 - Details

• The SAP error message FL375, which states "Include '&' contains unexpected format," typically occurs when there is an issue with the format of an include file in the ABAP program. This error can arise due to various reasons, such as incorrect syntax, missing components, or issues with the include file itself.
  Causes:
  
  Incorrect Syntax: The include file may have syntax errors or formatting issues that prevent it from being processed correctly.
  Missing Components: The include file might be missing required components or definitions that are expected by the program.
  Incompatible Versions: If the include file was created or modified in a different version of SAP, it may not be compatible with the current environment.
  Corrupted Include: The include file may be corrupted or improperly saved, leading to unexpected formats.
  Naming Issues: The name of the include file may not conform to SAP naming conventions or may contain invalid characters.
  
  Solutions:
  
  Check Syntax: Review the include file for any