How To Fix WXP407 - Enter a function module

WXP407 - Overview

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 407

• Message text: Enter a function module

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 WXP407 - Enter a function module ?

  SAP Error Message:
  WXP407 - Enter a function module
  
  
  Cause:
  This warning message appears in SAP when a function module name is expected but has not been entered. Typically, this happens in contexts where you need to specify a function module to be called, for example, in workflow steps, user exits, or custom enhancements where the system requires a function module name to proceed.
  
  When does it occur?
  
  When defining or configuring a workflow step that requires a function module.
  When setting up a user exit or BAdI that requires a function module input.
  When a program or transaction expects a function module name as input but the field is left blank.
  
  
  
  Solution:
  
  Enter a valid function module name in the input field where the system expects it.
  Ensure the function module exists and is active in the system (use transaction SE37 to check).
  If you are unsure which function module to enter, consult the relevant documentation or your functional consultant.
  If