How To Fix BWSD066 - Error while reading the hierarchy (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: BWSD - Messages for Scenario Transfer

• Message number: 066

• Message text: Error while reading the hierarchy (&1)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BWSD066 - Error while reading the hierarchy (&1) ?

  The SAP error message BWSD066, which states "Error while reading the hierarchy (&1)," typically occurs in the context of SAP Business Warehouse (BW) or SAP BusinessObjects when there is an issue with accessing or processing a hierarchy structure in the system. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Hierarchy Not Found: The specified hierarchy does not exist in the system or has been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the hierarchy.
  Data Inconsistencies: There may be inconsistencies or corruption in the hierarchy data.
  Transport Issues: If the hierarchy was transported from another system, there may have been issues during the transport process.
  System Configuration: Incorrect configuration settings in the BW system can lead to this error.
  
  Solutions:
  
  
  Check Hierarchy Existence:
  
  Verify that the hierarchy specified in the error message exists in the system. You can do this by navigating to the relevant InfoObject in the BW modeling tools.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the hierarchy. Check the roles and authorizations assigned to the user.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the hierarchy. You can use transaction codes like RS_HIERARCHY_CHECK to identify and resolve any inconsistencies.
  
  
  
  Recreate the Hierarchy:
  
  If the hierarchy is corrupted, consider recreating it. This may involve deleting the existing hierarchy and creating a new one.
  
  
  
  Transport Logs:
  
  If the hierarchy was recently transported, check the transport logs for any errors or warnings that may indicate issues during the transport process.
  
  
  
  System Configuration Review:
  
  Review the configuration settings related to hierarchies in the BW system. Ensure that all necessary settings are correctly configured.
  
  
  
  Check for Notes and Patches:
  
  Look for SAP Notes or patches related to this error. Sometimes, SAP releases updates that address specific issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) and RSD1 (InfoObject Maintenance) for managing hierarchies.
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Refer to SAP documentation for detailed information on managing hierarchies in BW.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW support team for further investigation.