How To Fix WRF_DISPRO022 - Internal error when writing data to the application log

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_DISPRO -

• Message number: 022

• Message text: Internal error when writing data to the application log

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_DISPRO022 - Internal error when writing data to the application log ?

  Certainly! Here's a detailed explanation regarding the SAP error message WRF_DISPRO022 - Internal error when writing data to the application log:
  
  Error Message
  WRF_DISPRO022
  
  Text: Internal error when writing data to the application log
  
  Cause
  This error typically occurs when the SAP system encounters an internal problem while trying to write entries to the application log (transaction SLG1/SLG0). The application log is used by various SAP components to record messages, statuses, and errors during processing.
  Common causes include:
  
  Database inconsistencies or locks: The underlying tables for the application log (e.g., BALHDR, BALDAT, BALDATH) might be locked, corrupted, or inconsistent.
  Authorization issues: The user or background job writing to the log might lack the necessary authorizations.
  Buffer or memory problems: Insufficient memory or buffer issues in the SAP system can cause failures when writing logs.
  Incorrect or missing configuration: The application log object or subobject might not be properly configured or activated.
  Transport or patch inconsistencies: Missing or inconsistent SAP kernel patches or support packages can cause internal errors.
  Custom code issues: If custom developments or enhancements write to the application log incorrectly, it can cause internal errors.
  
  
  Solution
  To resolve the WRF_DISPRO022 error, follow these steps:
  
  
  Check Application Log Configuration:
  
  Use transaction SLG0 to verify that the application log object and subobject are correctly defined and active.
  If necessary, re-activate or recreate the log object.
  
  
  
  Check Database Tables:
  
  Verify the consistency of application log tables (BALHDR, BALDAT, BALDATH).
  Run database consistency checks or use transaction DB02 or ST22 to check for dumps related to database issues.
  If locks are suspected, use transaction SM12 to check and release locks on these tables.
  
  
  
  Check Authorizations:
  
  Ensure the user or background job has the necessary authorizations to write to the application log.
  Relevant authorization objects include S_LOG and S_TCODE (for SLG1/SLG0).
  
  
  
  Check System Logs and Dumps:
  
  Use transaction SM21 to check system logs for related errors.
  Use transaction ST22 to check for short dumps that might provide more details.
  
  
  
  Check Memory and Buffer Settings:
  
  Review system memory and buffer settings.
  If memory is low, consider increasing buffer sizes or freeing up memory.
  
  
  
  Apply SAP Notes and Patches:
  
  Search the SAP Support Portal for notes related to WRF_DISPRO022.
  Apply any relevant SAP Notes or kernel patches that address application log issues.
  
  
  
  Debug or Review Custom Code:
  
  If custom programs or enhancements write to the application log, review the code for correct usage of the application log API (BAL_LOG_CREATE, BAL_LOG_MSG_ADD, BAL_DB_SAVE).
  Debug the code to identify where the internal error occurs.
  
  
  
  
  Related Information
  
  
  Transactions:
  
  SLG0 - Application Log: Define Object
  SLG1 - Application Log: Display Logs
  SM12 - Lock Entries
  SM21 - System Log
  ST22 - ABAP Runtime Errors
  DB02 - Database Analysis
  
  
  
  Tables:
  
  BALHDR - Application Log Header
  BALDAT - Application Log Data
  BALDATH - Application Log Data Header
  
  
  
  SAP Notes:
  
  Search SAP ONE Support Launchpad for notes referencing WRF_DISPRO022 or application log errors.
  Example note numbers might vary depending on SAP version and component.
  
  
  
  SAP Documentation:
  
  SAP Help Portal documentation on Application Log (transaction SLG1/SLG0).
  SAP Community forums and blogs discussing application log issues.
  
  
  
  
  If the problem persists after these checks, consider raising a support ticket with SAP, providing detailed logs, dumps, and system information.
  
  Summary:
  
  The WRF_DISPRO022 error is caused by internal issues when writing to the application log, often due to database, authorization, or configuration problems. Checking log configuration, database consistency, authorizations, system logs, and applying relevant SAP Notes usually resolves the issue.