How To Fix R8312 - DataSource & with & must assign with a hierarchy class

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 312

• Message text: DataSource & with & must assign with a hierarchy class

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8312 - DataSource & with & must assign with a hierarchy class ?

  The SAP error message R8312 indicates that there is an issue with a DataSource that is expected to be assigned to a hierarchy class, but it is not. This error typically arises in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when working with InfoObjects and hierarchies.
  Cause:
  The error occurs when:
  
  A DataSource is defined in a way that it requires a hierarchy assignment, but the hierarchy class is not assigned or is missing.
  The DataSource is not properly configured to work with the hierarchy, which can happen if the DataSource is not linked to the correct InfoObject that has a hierarchy defined.
  
  Solution:
  To resolve the R8312 error, you can follow these steps:
  
  
  Check the DataSource Configuration:
  
  Go to the DataSource in the SAP BW system and verify its settings.
  Ensure that the DataSource is correctly linked to the InfoObject that has a hierarchy.
  
  
  
  Assign a Hierarchy Class:
  
  If the DataSource requires a hierarchy, you need to assign a hierarchy class to it.
  Navigate to the InfoObject that the DataSource is associated with and check if a hierarchy is defined.
  If a hierarchy is defined, ensure that it is assigned to the DataSource.
  
  
  
  Review Hierarchy Settings:
  
  Check the hierarchy settings in the InfoObject maintenance (transaction RSD1).
  Ensure that the hierarchy is active and correctly configured.
  
  
  
  Transport Requests:
  
  If changes were made in a development environment, ensure that they are transported to the production environment correctly.
  
  
  
  Re-activate the DataSource:
  
  Sometimes, re-activating the DataSource can help resolve configuration issues. You can do this in the DataSource maintenance area.
  
  
  
  Check for Notes and Documentation:
  
  Look for any SAP Notes related to this error message. SAP frequently updates its documentation and may have specific notes addressing this issue.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSD1: InfoObject maintenance
  RSA1: Data Warehousing Workbench
  
  
  Hierarchy Management: Understanding how hierarchies work in SAP BW is crucial. Hierarchies are used to represent data in a structured manner, and they must be correctly linked to InfoObjects.
  SAP Community and Forums: If the issue persists, consider reaching out to the SAP Community or forums for additional support and insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the R8312 error and ensure that your DataSource is correctly configured to work with the required hierarchy class.