How To Fix GTR_MF026 - Field &1 must be defined within customer include &2

GTR_MF026 - Overview

• Message type: E = Error

• Message class: GTR_MF - Multifunding Message Class

• Message number: 026

• Message text: Field &1 must be defined within customer include &2

What causes this issue?

Field &V1& is not defined within customer include &V2&.

System Response

Processing canceled.

How to fix this error?

Correct the field name or create the field within the customer include.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

GTR_MF026 - Details

• The SAP error message GTR_MF026 indicates that a specific field (denoted as &1) must be defined within a customer include (denoted as &2). This error typically arises in the context of enhancements or modifications made to SAP standard programs or structures, particularly when working with custom developments or user-defined fields.
  
  Cause:
  
  Missing Field Definition: The field specified in the error message is not defined in the customer include that is expected to contain custom fields or enhancements.
  Incorrect Configuration: The configuration or implementation of a custom enhancement may not have been completed correctly, leading to the system not recognizing the field.
  Transport Issues: If the changes were transported from a development environment to a production environment, there may have been issues during the transport process that caused the field definition to be lost or not included.
  
  
  Solution:
  
  
  Check Customer Include: Verify that the customer include specified in the error message is correctly defined and that the