How To Fix KN305 - Hierarchy & & not defined

KN305 - Overview

• 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.

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

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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