How To Fix P99B009 - '&1' is no valid name for function modules

P99B009 - Overview

• Message type: E = Error

• Message class: P99B - Payroll Versions Basis

• Message number: 009

• Message text: '&1' is no valid name for function modules

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message P99B009 - '&1' is no valid name for function modules ?

  The SAP error message P99B009 indicates that the name provided for a function module is not valid. This error typically arises during the creation or modification of function modules in the ABAP Workbench. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  
  Invalid Naming Convention: The name of the function module does not adhere to SAP's naming conventions. Function module names must start with a letter and can include letters, numbers, and underscores, but cannot contain special characters or spaces.
  
  
  Reserved Names: The name may be reserved or already in use by another function module or system object.
  
  
  Length Restrictions: The name exceeds the maximum length allowed for function module names, which is typically 30 characters.
  
  
  Namespace Issues: If you are using a custom namespace, ensure that it is correctly defined and that the function module name follows the namespace rules.
  
  
  Solutions:
  
  
  Check Naming Conventions: Ensure that the function module name starts with