How To Fix /SAPAPO/RELH020 - Enter hierarchies as basis for generation

/SAPAPO/RELH020 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RELH -

• Message number: 020

• Message text: Enter hierarchies 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/RELH020 - Enter hierarchies as basis for generation ?

  The SAP error message /SAPAPO/RELH020 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue related to the hierarchy settings for a planning object. This error indicates that the system requires a hierarchy to be specified as a basis for generation, but it has not been provided or is not correctly configured.
  
  Cause:
  
  Missing Hierarchy: The most common cause is that the required hierarchy for the planning object (like product, location, etc.) has not been defined or is missing.
  Incorrect Configuration: The hierarchy might be incorrectly configured or not activated in the system.
  Data Inconsistency: There may be inconsistencies in the master data that prevent the hierarchy from being recognized.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the hierarchy.
  
  
  Solution:
  
  Define Hierarchy: Ensure that the required hierarchy is defined in the system. You can do this by navigating to the relevant transaction (e.g., /SAPAPO/HEIR)