How To Fix J-839 - Error while reading characteristic hierarchies

SAP Error Message - Details

• Message type: E = Error

• Message class: J- -

• Message number: 839

• Message text: Error while reading characteristic hierarchies

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message J-839 - Error while reading characteristic hierarchies ?

  The SAP error message J-839, which states "Error while reading characteristic hierarchies," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the characteristic hierarchies in the data model. This error can arise due to various reasons, including:
  Causes:
  
  Missing Hierarchy: The characteristic hierarchy that is being referenced may not exist or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the characteristic hierarchy.
  Data Model Issues: There may be inconsistencies or errors in the data model or InfoObjects related to the characteristic.
  Transport Issues: If the hierarchy was transported from one system to another, there may have been issues during the transport process.
  Database Issues: There could be underlying database issues that prevent the reading of the hierarchy.
  
  Solutions:
  
  Check Hierarchy Existence: Verify that the characteristic hierarchy exists in the system. You can do this by navigating to the relevant InfoObject in the SAP BW modeling tools.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the characteristic hierarchy. This can be checked in the user roles and authorizations.
  Rebuild Hierarchy: If the hierarchy is missing or corrupted, consider rebuilding it. This can be done through the SAP BW modeling tools.
  Check Transport Logs: If the hierarchy was recently transported, check the transport logs for any errors or warnings that may indicate issues during the transport.
  Database Consistency Check: Perform a consistency check on the database to identify and resolve any underlying issues that may be affecting the characteristic hierarchy.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to check the InfoObjects and hierarchies.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the context in which it occurs.
  Documentation: Review SAP documentation related to characteristic hierarchies and data modeling in BW for additional insights and best practices.
  
  By following these steps, you should be able to diagnose and resolve the J-839 error effectively.