How To Fix UBD_BW_GEN002 - Class generation failed, cube: &1, Rfcdest: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UBD_BW_GEN - BD Lib: Generation of BW Connection

• Message number: 002

• Message text: Class generation failed, cube: &1, Rfcdest: &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UBD_BW_GEN002 - Class generation failed, cube: &1, Rfcdest: &2 ?

  The SAP error message UBD_BW_GEN002 indicates that there was a failure in generating the class for a specific InfoCube in the SAP BW (Business Warehouse) system. The message typically includes placeholders for the InfoCube identifier (&1) and the RFC destination (&2).
  Causes
  The error can be caused by several factors, including:
  
  Missing or Incorrect Configuration: The InfoCube may not be properly configured, or there may be issues with the underlying data model.
  Transport Issues: If the InfoCube or its related objects were transported from one system to another, there may be inconsistencies or missing objects in the target system.
  Authorization Issues: The user executing the generation may not have the necessary authorizations to perform the operation.
  System Performance: Resource constraints or performance issues in the SAP BW system can lead to failures during class generation.
  RFC Destination Issues: The specified RFC destination may not be correctly configured or reachable, leading to communication problems.
  
  Solutions
  To resolve the error, you can take the following steps:
  
  Check Configuration: Verify the configuration of the InfoCube and ensure that all necessary components are correctly set up.
  Review Transport Logs: If the InfoCube was recently transported, check the transport logs for any errors or warnings that may indicate missing objects.
  Authorization Check: Ensure that the user has the necessary authorizations to generate classes for InfoCubes. You may need to consult with your SAP security team.
  System Resources: Monitor system performance and resource usage. If the system is under heavy load, consider scheduling the class generation during off-peak hours.
  RFC Destination: Check the configuration of the RFC destination specified in the error message. Ensure that it is correctly set up and that the target system is reachable.
  Rebuild the InfoCube: In some cases, it may be necessary to rebuild the InfoCube or its related objects. This can be done through the Data Warehousing Workbench (RSA1).
  Check Logs: Review the system logs (transaction SLG1) for more detailed error messages that can provide additional context for the failure.
  
  Related Information
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to manage InfoCubes and monitor their status.
  SAP Notes: Check SAP Notes related to the specific error message or InfoCube for any known issues and recommended solutions.
  Documentation: Refer to SAP BW documentation for best practices on InfoCube management and troubleshooting.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.