How To Fix R8546 - Not possible to have hierarchy nodes under DataSources

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 546

• Message text: Not possible to have hierarchy nodes under DataSources

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 R8546 - Not possible to have hierarchy nodes under DataSources ?

  The SAP error message R8546, "Not possible to have hierarchy nodes under DataSources," typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when you are trying to create or manage hierarchies in a way that is not supported by the system. This error indicates that you are attempting to create hierarchy nodes under a DataSource, which is not allowed.
  Cause:
  
  Incorrect Hierarchy Structure: The error arises when you try to create a hierarchy node directly under a DataSource instead of under a characteristic or InfoObject that supports hierarchies.
  DataSource Limitations: DataSources are primarily used for data extraction and do not support the hierarchical structure that is typically associated with InfoObjects.
  Configuration Issues: There may be a misconfiguration in the way the DataSource or InfoObjects are set up in the system.
  
  Solution:
  
  Check Hierarchy Structure: Ensure that you are trying to create hierarchy nodes under the correct InfoObject that supports hierarchies. Hierarchies should be created under characteristics (InfoObjects) that are designed to hold them.
  Use InfoObjects: If you need to create a hierarchy, make sure you are using an InfoObject that is defined as a characteristic and supports hierarchies. You can check the properties of the InfoObject in the SAP BW modeling tools.
  Review DataSource Configuration: If you are working with a DataSource, review its configuration to ensure it is set up correctly for the intended data extraction and does not involve hierarchy nodes.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly set up hierarchies and DataSources in your specific version of SAP BW or BW/4HANA.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP BW modeling, especially focusing on InfoObjects and DataSources.
  
  By following these steps, you should be able to resolve the R8546 error and correctly manage your hierarchies within SAP BW.