How To Fix WSTRN078 - No application log is available

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTRN - Message for Prepack Creation and Planning Dialog

• Message number: 078

• Message text: No application log is available

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSTRN078 - No application log is available ?

  SAP Error Message:
  
  WSTRN078 No application log is available
  
  Cause:
  This message typically appears when an SAP transaction or program attempts to display an application log, but no log entries exist for the specified object or process. In other words, the system is trying to access an application log that has not been created or is empty.
  Common scenarios include:
  
  The process or transaction did not generate any log entries.
  The log entries were deleted or archived.
  The log object or sub-object specified does not match any existing logs.
  The log retrieval parameters (such as object, sub-object, external ID, or date range) are incorrect or too restrictive.
  
  
  Explanation:
  SAP application logs are used to record messages, errors, and status information during processing. They are managed via transaction SLG1 (Application Log: Display Logs). When a program calls the function module or method to read logs, if no entries are found, the system issues the WSTRN078 message.
  
  Solution:
  
  
  Check if the process generated logs:
  
  Verify that the process or transaction you are running is supposed to generate application logs.
  If it is a custom program, ensure that the logging functionality is implemented correctly.
  
  
  
  Use transaction SLG1 to verify logs:
  
  Go to transaction SLG1.
  Enter the Object and Subobject related to your process.
  Adjust the date range and other selection criteria.
  Execute to see if any logs exist.
  If no logs appear, it confirms that no logs were created.
  
  
  
  Review the parameters used to fetch logs:
  
  Check the parameters passed to the log retrieval function/module.
  Ensure the object, sub-object, external ID, and date range are correct and correspond to existing logs.
  
  
  
  If logs are expected but missing:
  
  Investigate why the process did not create logs.
  Check the program or transaction code for proper logging calls (e.g., calls to BAL_LOG_CREATE, BAL_LOG_MSG_ADD, BAL_DB_SAVE).
  Check for authorization issues that might prevent log creation.
  
  
  
  If logs were deleted or archived:
  
  Logs can be deleted or archived using transaction SLG2 or background jobs.
  Confirm if logs were removed and if they need to be restored or re-created.
  
  
  
  
  Related Information:
  
  Transaction SLG1: Display Application Log  
  Transaction SLG2: Delete Application Log  
  Function Modules:  
  
  BAL_LOG_CREATE – Create application log  
  BAL_LOG_MSG_ADD – Add message to application log  
  BAL_DB_SAVE – Save application log to database  
  
  
  SAP Note: Check for any SAP Notes related to your specific module or process that might address logging issues.
  
  
  Summary:
  
  WSTRN078 means no application log entries were found.
  Verify if logs should exist and check with SLG1.
  Confirm correct parameters and logging implementation.
  Investigate if logs were deleted or never created.
  
  
  If you provide the context or transaction where this error occurs, I can help with more specific guidance.