How To Fix 11231 - Hierarchy chain must be closed (no gaps) (Please close)

SAP Error Message - Details

• Message type: E = Error

• Message class: 11 - External Services Management

• Message number: 231

• Message text: Hierarchy chain must be closed (no gaps) (Please close)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 11231 - Hierarchy chain must be closed (no gaps) (Please close) ?

  The SAP error message "11231 Hierarchy chain must be closed (no gaps) (Please close)" typically occurs in the context of hierarchical data structures, such as when working with master data, organizational structures, or reporting hierarchies in SAP. This error indicates that there is a gap in the hierarchy chain, meaning that there are missing links or nodes that disrupt the continuity of the hierarchy.
  Cause:
  
  Incomplete Hierarchy Structure: The hierarchy may have been defined with missing nodes or levels, leading to gaps.
  Incorrect Data Entry: There may be errors in the data entry process, such as missing parent-child relationships.
  Changes in Hierarchy: If the hierarchy has been modified (e.g., nodes added or removed), it may not have been updated correctly, leading to inconsistencies.
  Data Migration Issues: If data has been migrated from another system, it may not have been properly validated, resulting in gaps.
  
  Solution:
  
  Review Hierarchy Structure: Check the hierarchy structure for any missing nodes or links. Ensure that all parent-child relationships are correctly defined.
  Close Gaps: If gaps are identified, add the necessary nodes or relationships to close the hierarchy. This may involve creating new nodes or reassigning existing ones.
  Data Validation: Perform a thorough validation of the data to ensure that all entries are correct and complete. This may involve cross-referencing with other data sources.
  Use SAP Tools: Utilize SAP tools or transaction codes (like SE11 for data dictionary or SE80 for object navigator) to analyze and correct the hierarchy.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing hierarchies in the relevant module (e.g., SAP BW, SAP FI, etc.).
  Testing: After making changes, test the hierarchy to ensure that it functions correctly without any gaps.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to manage hierarchies, such as OBH2 for maintaining account hierarchies or RSH1 for maintaining InfoObject hierarchies in SAP BW.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to the hierarchy structure.
  Backup Data: Before making significant changes, consider backing up the existing hierarchy data to prevent data loss.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.