How To Fix C0688 - No loading log exists

SAP Error Message - Details

• Message type: E = Error

• Message class: C0 - PP-PI: Messages for PI Sheet and Syntax Checker

• Message number: 688

• Message text: No loading log exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C0688 - No loading log exists ?

  The SAP error message C0688 ("No loading log exists") typically occurs in the context of data loading processes, particularly when working with SAP BW (Business Warehouse) or SAP Data Services. This error indicates that the system cannot find a loading log for the data load process you are trying to analyze or troubleshoot.
  Causes:
  
  No Data Load Executed: The most common reason for this error is that no data load has been executed for the specific request or data source.
  Data Load Failed: If a data load was attempted but failed before it could create a loading log, this error may appear.
  Log Deletion: The loading log may have been deleted or purged from the system due to retention policies or manual deletion.
  Incorrect Request ID: The request ID or data load request you are trying to access may be incorrect or does not exist in the system.
  Authorization Issues: Lack of proper authorizations to view the loading logs can also lead to this error.
  
  Solutions:
  
  Check Data Load Execution: Verify if the data load was executed successfully. You can do this by checking the relevant data load requests in the Data Warehousing Workbench or the InfoProvider.
  Review Load Status: If the load failed, check the error messages in the process chain or the data load monitor to understand why it failed.
  Re-run the Data Load: If no load has been executed, or if the previous load failed, try re-running the data load process.
  Check Request ID: Ensure that you are using the correct request ID or data source when trying to access the loading log.
  Authorization Check: Ensure that you have the necessary authorizations to view the loading logs. Consult with your SAP security team if needed.
  Consult System Logs: If the issue persists, check the system logs (transaction SLG1) for any related messages that might provide more context.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) or RSMO (Monitor Data Load) to check the status of data loads and logs.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for detailed information on data loading processes and error handling in SAP BW.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.