How To Fix /SAPAPO/RELH021 - Too few hierarchies defined as basis for generation

/SAPAPO/RELH021 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RELH -

• Message number: 021

• Message text: Too few hierarchies defined as basis for generation

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/RELH021 - Too few hierarchies defined as basis for generation ?

  The SAP error message /SAPAPO/RELH021 Too few hierarchies defined as basis for generation typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there are insufficient hierarchies defined for a specific planning area or planning object. This error is often encountered during the generation of planning data or when trying to execute certain planning functions.
  
  Cause:
  
  Insufficient Hierarchies: The primary cause of this error is that the system does not have enough hierarchies defined for the planning area you are working with. Hierarchies are essential for organizing and structuring data in a way that allows for effective planning and analysis.
  
  Configuration Issues: There may be configuration issues in the APO system where the necessary hierarchies have not been set up correctly or are missing.
  Data Model Issues: The data model may not have been properly defined, leading to a lack of hierarchies that can be used for planning purposes.
  
  
  Solution:
  
  
  Define Additional Hierarchies:
  
  Go