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

SAP Error Message - Details

• 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.

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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) to create or modify hierarchies.
  Check Hierarchy Activation: Make sure that the hierarchy is activated and available for use in the planning process.
  Review Master Data: Check the master data for the planning object to ensure that it is correctly set up and linked to the appropriate hierarchy.
  Authorization Check: Verify that the user has the necessary authorizations to access and use the hierarchy.
  Use Transaction Codes: Utilize relevant transaction codes such as /SAPAPO/HEIR for hierarchies or /SAPAPO/MC62 for checking the configuration of the planning area.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on how to set up and manage hierarchies in APO.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered the same issue.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP APO and hierarchy management for a deeper understanding.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP APO for further assistance.