How To Fix R8303 - Error when checking the hierarchy additional info in the source system

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 303

• Message text: Error when checking the hierarchy additional info in the source system

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 R8303 - Error when checking the hierarchy additional info in the source system ?

  The SAP error message R8303 typically indicates an issue related to the hierarchy in the source system, particularly when working with data extraction or data loading processes in SAP BW (Business Warehouse) or SAP HANA. This error can occur during the data transfer process when the system is unable to validate or check the hierarchy structure as expected.
  Cause:
  
  Hierarchy Structure Issues: The hierarchy defined in the source system may not match the expected structure in the target system. This could be due to missing nodes, incorrect parent-child relationships, or changes in the hierarchy that have not been reflected in the target system.
  Data Inconsistencies: There may be inconsistencies in the data that prevent the hierarchy from being validated correctly. This could include duplicate entries or invalid references.
  Configuration Errors: Incorrect configuration settings in the source or target system can lead to this error. This includes settings related to the InfoObject or the hierarchy itself.
  Transport Issues: If the hierarchy was recently transported from one system to another, there may have been issues during the transport process that led to incomplete or incorrect hierarchy data.
  
  Solution:
  
  Check Hierarchy Structure: Review the hierarchy in the source system to ensure that it is correctly defined. Verify that all nodes are present and that the parent-child relationships are accurate.
  Data Validation: Perform a data validation check to identify any inconsistencies or errors in the hierarchy data. This may involve checking for duplicates or invalid references.
  Reconfigure Hierarchy: If there are configuration issues, reconfigure the hierarchy settings in the source or target system as needed. Ensure that the InfoObject settings are correctly aligned with the hierarchy.
  Transport Verification: If the hierarchy was transported, verify that the transport was successful and that all necessary objects were included. You may need to re-transport the hierarchy if there were issues.
  Check for Updates: Ensure that both the source and target systems are updated with the latest patches and notes from SAP, as there may be fixes related to hierarchy handling in newer versions.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to error R8303 for any specific fixes or recommendations provided by SAP.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze the InfoObjects and hierarchies.
  Logs and Traces: Review logs and traces in the system to gather more information about the error context, which can help in diagnosing the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further assistance.