How To Fix WA662 - Check function module &: Invalid name for a function module

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 662

• Message text: Check function module &: Invalid name for a function module

What causes this issue?

The specified <DS:GLOS.3526B0B1AFAB52B9E10000009B38F974>check function
module</> does not have a name that is valid for a function module.

System Response

The action was aborted and no event was triggered.

How to fix this error?

Check the name of the check function module.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA662 - Check function module &: Invalid name for a function module ?

  The SAP error message:
  WA662 Check function module &: Invalid name for a function module
  
  Cause:
  This error occurs when the system encounters an invalid or incorrectly formatted function module name during a check or validation process. The function module name provided does not conform to SAP's naming conventions or does not exist in the system.
  Common reasons include:
  
  Typographical errors in the function module name.
  Using reserved or invalid characters in the function module name.
  The function module has not been created or activated.
  The function module name is empty or incomplete.
  The function module name is passed dynamically and the variable is not properly set.
  
  
  Solution:
  
  
  Verify the Function Module Name:
  
  Check the spelling and format of the function module name.
  Ensure it follows SAP naming conventions (e.g., starts with a letter, no special characters except underscore).
  
  
  
  Check Existence and Activation:
  
  Use transaction SE37 to verify if the function module exists.
  If it does not exist, create or import the function module.
  If it exists but is inactive, activate it.
  
  
  
  Check the Code or Configuration:
  
  If the function module name is passed dynamically (e.g., via a variable), ensure the variable is correctly assigned and not empty.
  Review the program or configuration where the function module name is specified.
  
  
  
  Debugging:
  
  Use the debugger to check the value of the function module name at runtime.
  Identify where the invalid name is coming from.
  
  
  
  Correct Naming Conventions:
  
  Function module names should be up to 30 characters.
  Allowed characters: letters, numbers, and underscores.
  Must start with a letter.
  
  
  
  
  Related Information:
  
  Transaction SE37: Function Builder to check or create function modules.
  Naming Conventions: SAP function modules follow specific naming rules; violating these causes errors.
  Dynamic Calls: When calling function modules dynamically (e.g., CALL FUNCTION (func_name)), ensure func_name is valid.
  SAP Notes: Check SAP Notes for any known issues related to function module naming or validation errors.
  Error Message Class: WA662 belongs to a specific message class related to function module checks.
  
  
  If you provide the exact context or code snippet where this error occurs, I can help you pinpoint the issue more precisely.