How To Fix UGMD301 - Hierarchies can only be top nodes


UGMD301 - Overview

  • Message type: E = Error

  • Message class: UGMD - FIN Master Data: Messages

  • Message number: 301

  • Message text: Hierarchies can only be top nodes

  • Show details Hide details
  • What causes this issue?

    You attached hierarchy &v1& to a node in a different hierarchy.
    However, hierarchies are only permitted at the highest level.

    System Response

    The hierarchy cannot be saved.

    How to fix this error?

    Change the hierarchy definition.

    Procedure for System Administrators

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message UGMD301 - Hierarchies can only be top nodes ?
    The SAP error message UGMD301, which states "Hierarchies can only be top nodes," typically occurs in the context of SAP systems that deal with hierarchical data structures, such as SAP BW (Business Warehouse) or SAP ERP systems that utilize master data hierarchies.
    
    Cause: This error usually arises when you attempt to create or modify a hierarchy node in a way that violates the rules of hierarchy management. Specifically, it indicates that the system expects certain nodes to be defined as "top nodes" in the hierarchy, but the node you are trying to create or modify does not meet this requirement. Common causes include: Incorrect Node Level: You may be trying to assign a node that is not at the top level of the hierarchy. Hierarchy Structure Violation: The structure of the hierarchy may not be correctly defined, leading to conflicts in node placement. Data Integrity Issues: There may be existing data or configurations that conflict

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