How To Fix KN305 - Hierarchy & & not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 305

• Message text: Hierarchy & & not defined

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 KN305 - Hierarchy & & not defined ?

  The SAP error message KN305 ("Hierarchy & & not defined") typically occurs in the context of master data management, particularly when dealing with customer hierarchies in the SAP system. This error indicates that the system is unable to find a specified hierarchy for a customer or a group of customers.
  Cause:
  
  Missing Hierarchy Definition: The specified hierarchy has not been defined in the system. This could be due to a configuration oversight or because the hierarchy was deleted or not created.
  Incorrect Hierarchy Assignment: The customer or group of customers may be incorrectly assigned to a hierarchy that does not exist.
  Data Inconsistency: There may be inconsistencies in the master data that lead to the system being unable to recognize the hierarchy.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the hierarchy.
  
  Solution:
  
  
  Check Hierarchy Definition:
  
  Go to the transaction code OBP1 (for defining customer hierarchies) or VDH1 (for creating customer hierarchy).
  Verify if the hierarchy in question is defined correctly. If it is missing, you will need to create it.
  
  
  
  Review Customer Assignments:
  
  Use transaction code XD03 to display customer master data and check if the customer is assigned to the correct hierarchy.
  If the assignment is incorrect, you can update it using transaction code XD02.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on your master data to identify any discrepancies. This can often be done through transaction codes like SE16 to view the relevant tables or using specific reports designed for data consistency.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the hierarchy. This can be checked in the user roles and profiles assigned to the user.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to customer hierarchies for any additional configuration steps that may have been missed.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as XD01, XD02, XD03, VDH1, and OBP1.
  SAP Notes: Check for any SAP Notes related to this error message for patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the KN305 error in your SAP system.