How To Fix GP118 - The combination already exists, select another unit

GP118 - Overview

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 118

• Message text: The combination already exists, select another unit

What causes this issue?

Summary records whose contents are the same for all other dimensions (=
key fields, such as cost center) must at least have different
transaction currency keys (or units of measure in FI-GLX). However,
this record has exactly the same key as another summary record.

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?

Please select a different transaction currency or unit of measure.

Error message extract from SAP system. Copyright SAP SE.

GP118 - Details

• The SAP error message GP118 ("The combination already exists, select another unit") typically occurs in the context of SAP's Global Trade Services (GTS) or when dealing with master data, particularly in the area of material management or logistics. This error indicates that the system has detected a duplicate entry for a specific combination of data that is not allowed.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the system has detected that the combination of the unit of measure, material, or other related fields already exists in the database.
  Incorrect Data Entry: Users may inadvertently try to create or modify a record that conflicts with existing data.
  
  Configuration Issues: There may be issues with the configuration settings in the system that allow for duplicate entries in certain scenarios.
  
  
  Solution:
  
  Check Existing Entries: Review the existing entries in the relevant tables or master data records to identify the duplicate combination. You can use