How To Fix RN108 - Enter the new function module name

SAP Error Message - Details

• Message type: E = Error

• Message class: RN - Rename Tool message

• Message number: 108

• Message text: Enter the new function module name

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RN108 - Enter the new function module name ?

  The SAP error message RN108, which states "Enter the new function module name," typically occurs when you are trying to create or modify a function module in the SAP system, but you have not provided a valid name for the new function module.
  Cause:
  
  Missing Function Module Name: The most common cause of this error is that the input field for the new function module name is empty or not filled out correctly.
  Invalid Naming Convention: The name provided may not adhere to SAP's naming conventions for function modules, which usually require a specific format.
  Technical Issues: There may be underlying technical issues or bugs in the SAP system that prevent the function module from being created.
  
  Solution:
  
  
  Enter a Valid Name: Ensure that you enter a valid name for the new function module in the appropriate field. The name should typically start with a Z or Y (for custom developments) and follow the naming conventions (e.g., no special characters, appropriate length).
  
  
  Check Naming Conventions: Make sure that the name you are trying to use does not conflict with existing function module names and adheres to SAP's naming standards.
  
  
  Review Input Fields: Double-check that you are in the correct transaction and that all required fields are filled out properly before attempting to create or modify the function module.
  
  
  System Check: If the problem persists, check for any system issues or consult with your SAP Basis team to ensure that there are no underlying technical problems affecting the function module creation process.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on creating function modules and adhering to naming conventions.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in transactions like SE37 (Function Builder) or SE80 (Object Navigator).
  SAP Notes: Check SAP Notes for any known issues or patches related to function module creation.
  Development Guidelines: Familiarize yourself with SAP's development guidelines to ensure compliance with best practices when creating custom function modules.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP support team for further assistance.