How To Fix U6016 - Backlog set &1 is not defined in table ISU_BACKLOGS defined

SAP Error Message - Details

• Message type: E = Error

• Message class: U6 - Message Class for BRE

• Message number: 016

• Message text: Backlog set &1 is not defined in table ISU_BACKLOGS defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message U6016 - Backlog set &1 is not defined in table ISU_BACKLOGS defined ?

  The SAP error message U6016 indicates that a backlog set referenced in your system is not defined in the table ISU_BACKLOGS. This error typically occurs in the context of SAP IS-U (Utilities) when the system is trying to access or process a backlog set that has not been properly configured or does not exist in the database.
  Cause:
  
  Missing Backlog Set: The backlog set specified in the error message is not defined in the ISU_BACKLOGS table. This could be due to a configuration oversight or an incomplete setup.
  Incorrect Configuration: The backlog set may have been deleted or not created correctly during the configuration process.
  Data Migration Issues: If data was migrated from another system, the backlog set may not have been included in the migration process.
  
  Solution:
  
  
  Check the Backlog Set: 
  
  Go to transaction code SE11 (Data Dictionary) and check the ISU_BACKLOGS table to see if the backlog set exists.
  If it does not exist, you will need to create it.
  
  
  
  Create or Define the Backlog Set:
  
  If the backlog set is missing, you can create it using transaction code SPRO (SAP Reference IMG).
  Navigate to the relevant configuration path for backlog sets in IS-U and define the backlog set as required.
  
  
  
  Review Configuration:
  
  Ensure that all necessary configurations related to backlog processing are completed.
  Check if there are any dependencies or prerequisites that need to be fulfilled.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to backlog processing in IS-U for any specific instructions or guidelines.
  
  
  
  Check for Transport Issues: 
  
  If the issue arose after a transport, ensure that all necessary objects were transported correctly.
  
  
  
  Contact SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SPRO (SAP Reference IMG), SE80 (Object Navigator).
  Tables: ISU_BACKLOGS (Table for backlog sets).
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  IS-U Documentation: Review the IS-U module documentation for more details on backlog processing and configuration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.