How To Fix MC037 - Enter a function module

MC037 - Overview

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 037

• Message text: Enter a function module

What causes this issue?

You did not yet define a function module for the classification
matchcode.
Your own matchcode records are not updated for classification
matchcodes (update type K). The application-specific search path is
allocated to the matchcode ID using a function module. This must be
defined when the matchcode ID is defined.

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?

Define a function module.

Error message extract from SAP system. Copyright SAP SE.

MC037 - Details

• The SAP error message MC037, which states "Enter a function module," typically occurs in the context of SAP's Material Management (MM) or Logistics modules when a user is trying to execute a function that requires a specific function module to be defined but has not been provided.
  
  Cause:
  
  Missing Function Module: The error usually indicates that the system expects a function module to be specified, but it is either missing or not correctly configured.
  
  Configuration Issues: There may be issues in the configuration settings related to the specific transaction or process you are trying to execute.
  User Input Error: The user may have overlooked entering the required function module in the relevant field.
  
  
  Solution:
  
  Check Input Fields: Ensure that you have entered all required fields correctly, especially the function module field. If you are unsure of what to enter, consult your SAP documentation or your system administrator.
  Configuration Review: If you have the necessary permissions, review the