How To Fix WRF_GENERIC_HIER029 - Select exactly one node for this function

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_GENERIC_HIER - Messages for Package WRF_GENERIC_HIERARCHY

• Message number: 029

• Message text: Select exactly one node for this function

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_GENERIC_HIER029 - Select exactly one node for this function ?

  The SAP error message WRF_GENERIC_HIER029 typically occurs in the context of working with hierarchical data in SAP, particularly in the areas of SAP Advanced Planning and Optimization (APO) or SAP S/4HANA. This error indicates that the system expects you to select exactly one node from a hierarchy, but either no node or multiple nodes have been selected.
  Cause:
  
  Multiple Selections: The user has selected more than one node in a hierarchy when the system requires a single selection.
  No Selection: The user has not selected any node at all.
  Incorrect Hierarchy Level: The selected node may not be at the correct level of the hierarchy for the function being executed.
  
  Solution:
  To resolve the WRF_GENERIC_HIER029 error, follow these steps:
  
  
  Check Your Selection:
  
  Ensure that you have selected exactly one node from the hierarchy. If you have selected multiple nodes, deselect all but one.
  If you have not selected any node, make sure to select one.
  
  
  
  Hierarchy Level:
  
  Verify that the node you are selecting is appropriate for the function you are trying to execute. Some functions may require a specific level of the hierarchy.
  
  
  
  User Interface:
  
  If you are using a graphical interface, ensure that you are using the correct method to select nodes (e.g., clicking on the node, using checkboxes, etc.).
  
  
  
  Documentation:
  
  Refer to the relevant SAP documentation or help files for the specific transaction or function you are using to understand the expected input.
  
  
  
  Testing:
  
  After making the necessary adjustments, try executing the function again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP software may have bugs that are documented in SAP Notes.
  Transaction Codes: Familiarize yourself with the transaction codes related to the hierarchy you are working with, as they may have specific requirements.
  User Roles and Authorizations: Ensure that your user role has the necessary authorizations to access and manipulate the hierarchy data.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.