How To Fix R8315 - Hierarchy additional information for DataSource & already exists in the &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 315

• Message text: Hierarchy additional information for DataSource & already exists in the &

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 R8315 - Hierarchy additional information for DataSource & already exists in the & ?

  The SAP error message R8315 typically indicates that there is an issue with a hierarchy that is being loaded into the system. Specifically, the message states that the hierarchy you are trying to load already exists in the target DataSource. This can occur in various contexts, such as when working with SAP BW (Business Warehouse) or SAP BI (Business Intelligence).
  Cause:
  
  Duplicate Hierarchy: The hierarchy you are trying to load has the same name or identifier as an existing hierarchy in the target DataSource.
  DataSource Configuration: The DataSource may not be configured to allow for the addition of new hierarchies, or it may have restrictions on how hierarchies can be managed.
  Data Load Process: The data load process may be attempting to insert a hierarchy that has already been loaded previously, leading to a conflict.
  
  Solution:
  
  
  Check Existing Hierarchies: Review the existing hierarchies in the target DataSource to confirm if the hierarchy you are trying to load already exists. You can do this through the SAP GUI or relevant transaction codes (e.g., RSA1 for Data Warehousing Workbench).
  
  
  Rename or Modify Hierarchy: If the hierarchy already exists and you need to load a new version, consider renaming the new hierarchy or modifying it to avoid the conflict.
  
  
  Delete Existing Hierarchy: If the existing hierarchy is no longer needed, you can delete it from the DataSource before attempting to load the new hierarchy. Be cautious with this approach, as it may affect reports or other processes relying on that hierarchy.
  
  
  Adjust DataSource Settings: Check the settings of the DataSource to ensure it allows for the addition of new hierarchies. You may need to adjust the configuration or consult with your SAP administrator.
  
  
  Review Load Process: Ensure that the data load process is correctly configured and that it is not attempting to load the same hierarchy multiple times.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSC3 (DataSource Maintenance), and others that may help in managing hierarchies.
  SAP Notes: Check SAP Notes for any known issues or patches related to hierarchy loading in your specific version of SAP BW/BI.
  Documentation: Review SAP documentation for best practices on managing hierarchies and DataSources to avoid similar issues in the future.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting the SAP community for further assistance.