How To Fix FL104 - Do not use a period (.) in the name

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 104

• Message text: Do not use a period (.) in the name

What causes this issue?

You used an invalid character when you entered the name of the function
module. Refer to the F1 help for the naming conventions for function
modules.

System Response

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

How to fix this error?

Enter a name consisting only of alphanumeric characters and possibly
one underscore.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL104 - Do not use a period (.) in the name ?

  The SAP error message FL104, which states "Do not use a period (.) in the name," typically occurs when you are trying to create or modify an object (such as a file, folder, or naming convention) in SAP that includes a period in its name. This restriction is in place because periods can cause confusion in naming conventions and may lead to issues in processing or referencing the object.
  Cause:
  The primary cause of this error is the inclusion of a period (.) in the name of the object you are trying to create or modify. This can happen in various contexts, such as:
  
  Naming a file or folder in the SAP system.
  Creating a new data element, domain, or other repository objects.
  Defining a new class, method, or function module.
  
  Solution:
  To resolve the FL104 error, you should:
  
  
  Rename the Object: Remove any periods from the name of the object you are trying to create or modify. Use underscores (_) or other valid characters instead of periods.
  
  
  Check Naming Conventions: Ensure that you are following the naming conventions set by your organization or SAP guidelines. This often includes avoiding special characters and adhering to specific formats.
  
  
  Validation: After renaming, validate the name to ensure it meets all the requirements and does not contain any other invalid characters.
  
  
  Related Information:
  
  SAP Naming Conventions: Familiarize yourself with SAP's naming conventions for various objects. This can help prevent similar errors in the future.
  Documentation: Refer to the SAP Help Portal or relevant documentation for specific guidelines on naming conventions for the type of object you are working with.
  Error Handling: If you encounter this error frequently, consider implementing checks in your development process to catch naming issues before attempting to create or modify objects.
  
  By following these steps, you should be able to resolve the FL104 error and successfully create or modify the desired object in SAP.