How To Fix GM146 - Company code for master data in field "&1" is not unique

GM146 - Overview

• Message type: E = Error

• Message class: GM - Combination manager

• Message number: 146

• Message text: Company code for master data in field "&1" is not unique

What causes this issue?

You want to determine master data information (normally texts) for
field "&V1&" (&V2&). To be able to do this, the company code must be
known. The company code could not be definitely determined.

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?

Error message extract from SAP system. Copyright SAP SE.

GM146 - Details

• The SAP error message GM146 indicates that there is a problem with the uniqueness of the company code for master data in a specific field. This error typically arises in the context of the SAP Public Sector Management (PSM) module, particularly when dealing with grants management or similar functionalities.
  
  Cause:
  The error occurs when the system finds multiple entries for the same company code in the master data for the specified field. This can happen due to:
  
  Duplicate Entries: There are duplicate records in the master data for the specified company code.
  Incorrect Configuration: The configuration settings for the master data may not be set up correctly, leading to conflicts.
  Data Migration Issues: If data was migrated from another system, it may have resulted in duplicate entries.
  User Input Errors: Users may have inadvertently created multiple records with the same company code.
  
  
  Solution:
  To resolve the GM146 error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Go to the