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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message GM146 - Company code for master data in field "&1" is not unique ?

  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 relevant master data table (e.g., using transaction codes like SE16 or SE11) and check for duplicate entries for the company code in question.
  If duplicates are found, you will need to delete or merge them to ensure uniqueness.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the master data in the SAP system. Ensure that the settings enforce uniqueness where required.
  If necessary, consult with your SAP configuration team to adjust the settings.
  
  
  
  Data Cleanup:
  
  If the issue arose from data migration, perform a data cleanup to remove or correct duplicate entries.
  Use transaction codes like MASS or LSMW for mass changes if needed.
  
  
  
  User Training:
  
  Ensure that users are trained on how to enter data correctly to avoid creating duplicates in the future.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you analyze and manage master data.
  SAP Documentation: Review SAP documentation related to Grants Management and master data management for best practices and guidelines.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the GM146 error and implement a solution to resolve it.