How To Fix EZ004 - Internal error: hierarchy could not be constructed

SAP Error Message - Details

• Message type: E = Error

• Message class: EZ - Print workbench

• Message number: 004

• Message text: Internal error: hierarchy could not be constructed

What causes this issue?

The hierarchy for displaying a form (form class) structure could not be
constructed.

System Response

Processing cannot continue.

How to fix this error?

INCLUDE NA_FICA_DWB_OSS OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EZ004 - Internal error: hierarchy could not be constructed ?

  The SAP error message EZ004, which states "Internal error: hierarchy could not be constructed," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the construction of a hierarchy in a characteristic or InfoObject. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying data model.
  Causes:
  
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the hierarchy from being constructed properly. This can include missing or incorrect parent-child relationships in the hierarchy.
  
  
  Configuration Issues: The InfoObject or characteristic may not be configured correctly. This includes settings related to hierarchy management, such as the hierarchy type or the structure of the hierarchy.
  
  
  Missing Hierarchy Nodes: If the hierarchy nodes are not defined correctly or if there are missing nodes that are required for the hierarchy to be constructed, this error can occur.
  
  
  Transport Issues: If the hierarchy was transported from one system to another, there may be issues with the transport that lead to inconsistencies.
  
  
  Database Issues: There may be underlying database issues that prevent the hierarchy from being constructed, such as locks or corruption.
  
  
  Solutions:
  
  
  Check Data Consistency: Review the data in the InfoObject to ensure that all parent-child relationships are correctly defined. Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the hierarchy.
  
  
  Review Hierarchy Configuration: Go to the InfoObject maintenance (transaction RSD1) and check the hierarchy settings. Ensure that the hierarchy type is set correctly and that all necessary nodes are defined.
  
  
  Rebuild the Hierarchy: If the hierarchy is corrupted, you may need to delete and recreate it. This can be done in the InfoObject maintenance screen.
  
  
  Check Transport Logs: If the hierarchy was recently transported, check the transport logs for any errors or warnings that may indicate issues with the transport.
  
  
  Database Check: If you suspect database issues, perform a database consistency check or consult with your database administrator to ensure that there are no underlying problems.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (InfoObject Maintenance), and RSPC (Process Chain Maintenance) for managing and troubleshooting hierarchies.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to InfoObjects and hierarchy management for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify the cause of the EZ004 error and implement a solution to resolve it.