How To Fix /SAPAPO/OO_TR621 - Select a hierarchy for the start location

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OO_TR -

• Message number: 621

• Message text: Select a hierarchy for the start location

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OO_TR621 - Select a hierarchy for the start location ?

  The SAP error message /SAPAPO/OO_TR621 Select a hierarchy for the start location typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user is trying to execute a transaction that requires a hierarchy selection for a specific location, but no hierarchy has been defined or selected.
  Cause:
  
  Missing Hierarchy: The most common cause of this error is that there is no hierarchy defined for the start location in the system.
  Incorrect Configuration: The configuration for the location or the planning area may not be set up correctly, leading to the absence of a valid hierarchy.
  User Input Error: The user may not have selected a hierarchy when prompted, or the selection may have been cleared inadvertently.
  
  Solution:
  
  
  Define a Hierarchy:
  
  Go to the transaction code /SAPAPO/HEIRARCHY to define a new hierarchy for the relevant location.
  Ensure that the hierarchy is properly structured and includes the start location.
  
  
  
  Check Existing Hierarchies:
  
  Use transaction /SAPAPO/HEIRARCHY to review existing hierarchies and ensure that the required hierarchy is active and correctly assigned to the planning area.
  
  
  
  Assign Hierarchy to Location:
  
  Ensure that the hierarchy is assigned to the relevant location in the master data. This can be done in the location master data settings.
  
  
  
  User Input:
  
  When prompted for a hierarchy, ensure that you select the appropriate hierarchy for the start location before proceeding with the transaction.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details on how to set up hierarchies in your version of SAP APO.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/HEIRARCHY, /SAPAPO/LOC (for location master data), and /SAPAPO/PLANNING_AREA (for planning area settings).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and modify hierarchies and location data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or APO support team for further assistance.