How To Fix /SAPAPO/LOC078 - GLN number already exists in system

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/LOC -

• Message number: 078

• Message text: GLN number already exists in system

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/LOC078 - GLN number already exists in system ?

  The SAP error message /SAPAPO/LOC078 indicates that a Global Location Number (GLN) you are trying to create or use already exists in the system. This error typically occurs in the context of Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) modules where GLNs are used to uniquely identify locations.
  Cause:
  
  Duplicate Entry: The GLN you are trying to enter is already present in the system. This could happen if the GLN was previously created or imported.
  Data Migration Issues: If data was migrated from another system, there may have been duplicates that were not cleaned up.
  Incorrect Input: There may be a typographical error in the GLN you are trying to enter, leading to confusion with an existing GLN.
  
  Solution:
  
  
  Check Existing GLNs: 
  
  Use transaction codes like /SAPAPO/LOC or relevant reports to search for existing GLNs in the system. Verify if the GLN you are trying to create already exists.
  
  
  
  Modify or Use Existing GLN: 
  
  If the GLN already exists and is valid, consider using that GLN instead of creating a new one.
  If the existing GLN is incorrect or needs to be modified, you may need to update it or delete it if it is no longer needed (ensure that this does not affect other processes).
  
  
  
  Data Cleanup: 
  
  If duplicates are found due to data migration, you may need to perform a cleanup of the data to remove or consolidate duplicates.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help files related to GLNs and location management for additional guidance.
  
  
  
  Contact Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  
  Related Information:
  
  GLN Definition: A Global Location Number is a unique identifier for physical locations, such as warehouses, distribution centers, or retail locations, used in supply chain management.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO/SCM for managing locations and GLNs.
  Data Governance: Implement data governance practices to prevent duplicate entries in the future, especially during data migrations or integrations.
  
  By following these steps, you should be able to resolve the /SAPAPO/LOC078 error and manage GLNs effectively in your SAP system.