How To Fix WRF_GENERIC_HIER020 - Select at least one node

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_GENERIC_HIER - Messages for Package WRF_GENERIC_HIERARCHY

• Message number: 020

• Message text: Select at least one node

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 WRF_GENERIC_HIER020 - Select at least one node ?

  The SAP error message WRF_GENERIC_HIER020 with the description "Select at least one node" typically occurs in the context of working with hierarchical data structures in SAP, particularly in the areas of SAP Retail or SAP S/4HANA where product hierarchies or similar structures are used.
  Cause:
  This error message is triggered when a user attempts to perform an action that requires at least one node (or element) to be selected in a hierarchical structure, but no nodes have been selected. This can happen in various scenarios, such as:
  
  Trying to execute a function that requires a selection from a hierarchy (e.g., a product hierarchy, customer hierarchy, etc.) without having selected any nodes.
  Attempting to save or process data without specifying the relevant nodes in the hierarchy.
  
  Solution:
  To resolve the WRF_GENERIC_HIER020 error, follow these steps:
  
  
  Select a Node: Ensure that you have selected at least one node in the hierarchy before proceeding with the action. This can usually be done by clicking on the desired node in the hierarchy tree or list.
  
  
  Check Hierarchy Structure: If you are unsure about the hierarchy structure, review it to ensure that the nodes you need to select are visible and accessible.
  
  
  User Permissions: Verify that you have the necessary permissions to access and select nodes in the hierarchy. If you suspect permission issues, contact your SAP administrator.
  
  
  Refresh the Hierarchy: Sometimes, the hierarchy may not load correctly. Try refreshing the view or reloading the hierarchy to ensure all nodes are displayed properly.
  
  
  Consult Documentation: If you are unsure about the specific actions that require node selection, refer to the relevant SAP documentation or help resources for guidance on the specific transaction or process you are working with.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to product management, pricing, or master data management in SAP Retail or S/4HANA.
  SAP Notes: Check for any relevant SAP Notes or Knowledge Base Articles (KBAs) that may provide additional context or solutions for this error.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance, providing them with details about the context in which the error occurs.
  
  By ensuring that at least one node is selected in the relevant hierarchy, you should be able to resolve the WRF_GENERIC_HIER020 error and proceed with your tasks in SAP.