How To Fix GK227 - An error occurred while expanding the hierarchy &

GK227 - Overview

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 227

• Message text: An error occurred while expanding the hierarchy &

What causes this issue?

The system could not determine a clear sequence for the levels assigned
to the current hierarchy.
The sequence of levels in a hierarchy must be clear.

System Response

Error message

How to fix this error?

In master data maintenance for the current dimension, check whether the
levels assigned to the hierarchy have a clear vertical sequence.
Correct your settings if necessary.
You access master data maintenance for the dimension in the
Implementation Guide (IMG), or by double-clicking on the nodes for the
dimension.

Error message extract from SAP system. Copyright SAP SE.

GK227 - Details

• The SAP error message GK227, which states "An error occurred while expanding the hierarchy," typically occurs in the context of working with hierarchical data structures in SAP, such as when dealing with reports, queries, or data models that involve hierarchies.
  Causes:
  
  Data Integrity Issues: There may be inconsistencies or missing data in the hierarchy structure, such as missing nodes or incorrect parent-child relationships.
  Authorization Issues: The user may not have the necessary authorizations to access certain nodes in the hierarchy.
  Performance Issues: If the hierarchy is too large or complex, it may lead to performance problems that prevent it from being expanded properly.
  Technical Errors: There could be bugs or issues in the SAP system or the specific transaction being used.
  
  Configuration Issues: Incorrect settings in the hierarchy configuration or in the related data model can lead to this error.
  
  Solutions:
  
  Check Data Integrity: Review the hierarchy data to ensure that all nodes are correctly defined and that