How To Fix RSRTS_CDS166 - Unknown system value &1 in hierarchy binding

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 166

• Message text: Unknown system value &1 in hierarchy binding

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?

For type #SYSTEM<(>,<)> use one of the permitted values for annotation
@Environment.systemField, for example #SYSTEM_DATE.

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 RSRTS_CDS166 - Unknown system value &1 in hierarchy binding ?

  The SAP error message RSRTS_CDS166: Unknown system value &1 in hierarchy binding typically occurs in the context of SAP BW (Business Warehouse) when working with hierarchies in a Composite Data Source (CDS) view or when trying to display data in a report that involves hierarchies.
  Cause:
  This error usually arises due to one of the following reasons:
  
  Invalid Hierarchy Node: The hierarchy node being referenced does not exist or is not correctly defined in the system.
  Data Inconsistency: There may be inconsistencies in the data or the hierarchy structure, such as missing nodes or incorrect bindings.
  Configuration Issues: The hierarchy might not be properly configured in the BW system, leading to the inability to resolve the hierarchy values.
  Transport Issues: If the hierarchy was recently transported from another system, it may not have been fully activated or may have missing components.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Hierarchy Definition:
  
  Go to the hierarchy definition in the SAP BW system and ensure that the hierarchy node exists and is correctly defined.
  Verify that the hierarchy is active and that all nodes are properly configured.
  
  
  
  Validate Data:
  
  Check the underlying data for the hierarchy to ensure that all necessary values are present and correctly mapped.
  Use transaction codes like RSA1 to analyze the InfoObjects and hierarchies.
  
  
  
  Rebuild Hierarchy:
  
  If the hierarchy is corrupted, consider rebuilding it. You can do this by deleting the existing hierarchy and recreating it from scratch.
  
  
  
  Check Transport Requests:
  
  If the hierarchy was transported, ensure that all related objects were included in the transport request and that they were successfully imported into the target system.
  
  
  
  Activate Objects:
  
  Sometimes, simply reactivating the InfoObjects or the hierarchy can resolve the issue. Use transaction RSA1 to reactivate the relevant objects.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the query or the CDS view to identify where the error is occurring. This may require technical expertise.
  
  
  
  Consult Documentation:
  
  Review SAP Notes and documentation related to the specific version of SAP BW you are using, as there may be known issues or patches available.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  RSH1: Hierarchy Maintenance
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the RSRTS_CDS166 error in your SAP BW environment.