How To Fix CGPL_BW_INTERFACE003 - Lower-level hierarchy node &1 must be expanded

SAP Error Message - Details

• Message type: E = Error

• Message class: CGPL_BW_INTERFACE - BW Interface

• Message number: 003

• Message text: Lower-level hierarchy node &1 must be expanded

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Open the superior project and save it again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CGPL_BW_INTERFACE003 - Lower-level hierarchy node &1 must be expanded ?

  The SAP error message CGPL_BW_INTERFACE003 indicates that a lower-level hierarchy node must be expanded in the context of a BW (Business Warehouse) interface. This error typically arises when there is an attempt to process a hierarchy node that has child nodes, but those child nodes have not been expanded or processed.
  Cause:
  
  Hierarchy Structure: The error usually occurs when the system expects a complete hierarchy structure to be processed, but the lower-level nodes (children) of a hierarchy node are not expanded or included in the data being processed.
  Data Inconsistency: There may be inconsistencies in the data being sent to the BW system, where the hierarchy is not fully represented.
  Configuration Issues: There could be issues with the configuration of the hierarchy in the BW system or the source system.
  
  Solution:
  
  Expand Hierarchy Nodes: Ensure that all relevant hierarchy nodes are expanded in the data being processed. This may involve modifying the data extraction or transformation process to include all necessary child nodes.
  Check Hierarchy Configuration: Review the configuration of the hierarchy in both the source system and the BW system to ensure that it is set up correctly and that all nodes are properly defined.
  Data Validation: Validate the data being sent to the BW system to ensure that it includes all necessary hierarchy levels. This may involve checking the source data for completeness.
  Reprocess Data: After making the necessary adjustments, reprocess the data to see if the error persists.
  Consult Documentation: Refer to SAP documentation or notes related to the specific BW interface you are using for any additional troubleshooting steps or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the InfoObjects and hierarchies involved.
  Logs and Traces: Review logs and traces in the BW system to gather more context about the error and identify the specific hierarchy node causing the issue.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support or consult with a technical expert familiar with BW and hierarchy management.