How To Fix /SAPAPO/ATP_BOP027 - Hierarchy &1 is invalid or defined incorrectly

/SAPAPO/ATP_BOP027 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP_BOP -

• Message number: 027

• Message text: Hierarchy &1 is invalid or defined incorrectly

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 /SAPAPO/ATP_BOP027 - Hierarchy &1 is invalid or defined incorrectly ?

  The SAP error message /SAPAPO/ATP_BOP027 Hierarchy &1 is invalid or defined incorrectly typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the hierarchy configuration used in the Available-to-Promise (ATP) check or other planning processes.
  
  Cause:
  
  Invalid Hierarchy: The hierarchy specified in the configuration does not exist or is not correctly defined in the system.
  Incorrect Configuration: The hierarchy might be incorrectly set up, such as missing nodes or incorrect relationships between nodes.
  Authorization Issues: The user may not have the necessary authorizations to access the specified hierarchy.
  Data Consistency Issues: There may be inconsistencies in the master data or configuration that lead to the hierarchy being deemed invalid.
  
  
  Solution:
  
  
  Check Hierarchy Definition:
  
  Go to the transaction code /SAPAPO/HEIR to check the hierarchy definition.
  Ensure that the hierarchy exists and is correctly defined.
  
  
  
  Validate Hierarchy Assignment:
  
  Ensure that the hierarchy is correctly assigned to the relevant planning object or process.
  Check if the hierarchy is