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How To Fix USMD1536 - Data model/entity type &1: Invalid hierarchy attribute


SAP Error Message - Details

  • Message type: E = Error

  • Message class: USMD1 - Datenmodel

  • Message number: 536

  • Message text: Data model/entity type &1: Invalid hierarchy attribute

  • Show details Hide details
  • What causes this issue?

    Entity types that the system references as
    <DS:DE.USMD_RELATION_HRY>hierarchy attributes</> may only have external
    key assignments. However, this is not the case for entity type &V2&,
    which the system references as a hierarchy attribute for the
    <DS:DE.USMD_ENTITY_NOD>node entity type</> &V3& in the hierarchy of
    entity type &V4&.

    System Response

    The system cannot activate the data model.

    How to fix this error?

    Change the key assignment type for entity type &V2& or reference a
    different entity type for the additional entity type &V3& in the
    hierarchy for entity type &V4&.

    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 USMD1536 - Data model/entity type &1: Invalid hierarchy attribute ?

    The SAP error message USMD1536 indicates that there is an issue with a hierarchy attribute in a data model or entity type. This error typically arises in the context of SAP Master Data Governance (MDG) when working with data models that involve hierarchical structures.

    Cause:

    The error message "USMD1536 Data model/entity type &1: Invalid hierarchy attribute" usually occurs due to one of the following reasons:

    1. Incorrect Hierarchy Definition: The hierarchy attribute defined in the data model may not be valid or properly configured. This could be due to missing or incorrect settings in the hierarchy definition.

    2. Data Model Configuration Issues: The data model may not be correctly set up to support the hierarchy attribute. This can happen if the entity type does not have the necessary attributes defined for hierarchical relationships.

    3. Inconsistent Data: There may be inconsistencies in the data that violate the hierarchy structure, such as circular references or missing parent-child relationships.

    4. Technical Issues: There could be underlying technical issues, such as problems with the database or the way the data is being processed.

    Solution:

    To resolve the USMD1536 error, you can take the following steps:

    1. Check Hierarchy Configuration:

      • Go to the data model configuration in SAP MDG and verify that the hierarchy attribute is correctly defined.
      • Ensure that the hierarchy levels and relationships are properly set up.
    2. Validate Data Model:

      • Review the data model to ensure that all necessary attributes for the hierarchy are included and correctly configured.
      • Check for any missing or incorrectly defined relationships between entities.
    3. Data Consistency Check:

      • Perform a data consistency check to identify any inconsistencies in the data that may be causing the error.
      • Look for circular references or missing parent-child relationships in the hierarchy.
    4. Review Documentation:

      • Consult the SAP documentation for guidance on configuring hierarchies in your specific version of SAP MDG.
      • Look for any notes or updates from SAP that may address known issues related to this error.
    5. Debugging:

      • If you have access to technical resources, consider debugging the process to identify the exact point of failure and gather more information about the error.
    6. Contact SAP Support:

      • If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the data model and any relevant configurations.

    Related Information:

    • SAP MDG Documentation: Review the official SAP MDG documentation for best practices on configuring data models and hierarchies.
    • SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
    • SAP Notes: Check for any relevant SAP Notes that may provide fixes or workarounds for this specific error message.

    By following these steps, you should be able to identify and resolve the issue causing the USMD1536 error in your SAP environment.

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