How To Fix /SAPAPO/LOC056 - GUID for location & has no external key

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/LOC -

• Message number: 056

• Message text: GUID for location & has no external key

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/LOC056 - GUID for location & has no external key ?

  The SAP error message /SAPAPO/LOC056 indicates that a location in the Advanced Planning and Optimization (APO) module does not have an external key assigned to it. This can occur in various scenarios, such as when trying to perform planning activities or when integrating with other systems that require an external key for the location.
  Cause:
  
  Missing External Key: The location in question has not been assigned an external key, which is necessary for certain operations, especially when integrating with other systems or when using certain functionalities in APO.
  Data Migration Issues: If data was migrated from another system or if there were changes made to the location master data, the external key may not have been populated correctly.
  Configuration Issues: There may be configuration settings in the APO system that require an external key for locations, and if these settings are not met, the error will occur.
  
  Solution:
  
  
  Assign an External Key:
  
  Go to the location master data in the APO system.
  Find the location that is causing the error.
  Assign a valid external key to the location. This can usually be done in the location master data transaction (e.g., /SAPAPO/LOC1).
  
  
  
  Check Data Consistency:
  
  Ensure that all locations that are being used in planning have valid external keys assigned.
  If you are migrating data, ensure that the external keys are included in the migration process.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the APO system to see if there are any requirements for external keys for locations.
  Consult with your SAP Basis or APO configuration team to ensure that the system is set up correctly.
  
  
  
  Testing:
  
  After assigning the external key, test the functionality that was causing the error to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/LOC1 to manage location master data.
  Documentation: Refer to SAP Help documentation for more details on location master data and external keys in APO.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.