How To Fix R9006 - Incorrect hierarchy relationship

SAP Error Message - Details

• Message type: E = Error

• Message class: R9 - Business Explorer

• Message number: 006

• Message text: Incorrect hierarchy relationship

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R9006 - Incorrect hierarchy relationship ?

  The SAP error message R9006, which states "Incorrect hierarchy relationship," typically occurs in the context of SAP Business Warehouse (BW) or SAP Business Planning and Consolidation (BPC) when there is an issue with the hierarchy structure of master data, such as characteristics or dimensions.
  Cause:
  
  Invalid Hierarchy Structure: The hierarchy defined for a characteristic or dimension may not follow the required structure. For example, a node may be incorrectly linked to another node, or a parent node may not have the correct child nodes.
  Missing Nodes: The hierarchy may reference nodes that do not exist or have been deleted.
  Circular References: There may be circular references in the hierarchy, where a node indirectly references itself.
  Data Inconsistencies: There may be inconsistencies in the data that violate the hierarchy rules, such as incorrect parent-child relationships.
  
  Solution:
  
  Check Hierarchy Definition: Review the hierarchy definition in the relevant transaction (e.g., RSH1 for hierarchies) to ensure that all nodes are correctly defined and linked.
  Validate Nodes: Ensure that all nodes referenced in the hierarchy exist and are active. If any nodes are missing, they need to be created or reactivated.
  Correct Relationships: Adjust the parent-child relationships to ensure they are valid and do not create circular references.
  Rebuild Hierarchy: If the hierarchy is complex and difficult to troubleshoot, consider rebuilding it from scratch to ensure all relationships are correctly established.
  Use Hierarchy Maintenance Tools: Utilize SAP tools for hierarchy maintenance to validate and correct any issues automatically.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSH1 (Hierarchy Maintenance) and RSH2 (Hierarchy Display) to manage and view hierarchies.
  Documentation: Refer to SAP documentation for guidelines on creating and maintaining hierarchies, as well as best practices for data integrity.
  Support Notes: Check SAP Support Portal for any relevant notes or updates that may address specific issues related to hierarchy management.
  Testing: After making changes, test the hierarchy in the relevant reports or applications to ensure that the error is resolved and that the hierarchy functions as expected.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.