How To Fix VO730 - Unexpected return code APPL_LOG_WRITE_DB: &

SAP Error Message - Details

• Message type: E = Error

• Message class: VO - W&S: Rough workload forecast + picking wave

• Message number: 730

• Message text: Unexpected return code APPL_LOG_WRITE_DB: &

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 VO730 - Unexpected return code APPL_LOG_WRITE_DB: & ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  VO730 Unexpected return code APPL_LOG_WRITE_DB: &
  
  1. Cause
  
  The error VO730 with the message "Unexpected return code APPL_LOG_WRITE_DB: &" typically occurs when there is a problem writing application log entries to the database.
  The placeholder "&" in the message is replaced by a return code or error code from the function/module that attempts to write the log.
  This usually indicates:
  
  A database issue (e.g., database connection problem, lock, or inconsistency).
  Authorization problems preventing writing to the application log.
  Issues with the application log object or subobject configuration.
  Buffer or memory problems in the application log infrastructure.
  Transport or system inconsistencies if the log object was recently changed or imported.
  
  
  
  
  2. Solution
  To resolve the error, follow these steps:
  a) Check the Return Code
  
  Look at the actual return code replacing the "&" in the message.
  This code can give more specific information about the underlying problem.
  
  b) Verify Application Log Configuration
  
  Use transaction SLG0 to check the application log object and subobject configuration.
  Ensure that the log object and subobject exist and are correctly configured.
  If recently changed or transported, verify the transport was successful and consistent.
  
  c) Check Database and System Logs
  
  Check the database logs and system logs (transaction SM21) for any database errors or system issues at the time of the error.
  Look for database locks or connection problems.
  
  d) Check Authorizations
  
  Ensure the user or process writing the log has the necessary authorizations.
  Check authorization objects related to application log (e.g., S_LOG).
  
  e) Clear or Rebuild Application Log Buffer
  
  Sometimes, the application log buffer can get corrupted.
  You can try to clear or reset the buffer by restarting the SAP system or relevant work processes.
  
  f) Debug or Trace
  
  If the problem persists, enable debugging or trace for the application log write function module (e.g., APPL_LOG_WRITE_DB) to get more detailed information.
  
  g) SAP Notes and Support
  
  Search for SAP Notes related to the error message and the return code.
  Common SAP Notes might provide patches or corrections.
  
  
  3. Related Information
  
  Transaction SLG1: To view application logs and check if logs are being created properly.
  Function Module APPL_LOG_WRITE_DB: This is the function module responsible for writing application logs to the database.
  SAP Notes: Search SAP Support Portal for notes related to VO730 or APPL_LOG_WRITE_DB errors.
  Authorization Object S_LOG: Controls access to application logs.
  Database Issues: Check for database locks, space issues, or performance problems.
  System Logs (SM21): For system-level errors that might affect logging.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Failure to write application log to DB due to DB issues, authorization, or config errors
  
  
  Solution
  Check return code, verify log config (SLG0), check DB and system logs, check authorizations, clear buffers, debug, apply SAP Notes
  
  
  Related Info
  Transactions SLG0, SLG1, SM21; Function module APPL_LOG_WRITE_DB; Authorization S_LOG
  
  
  
  
  If you provide the exact return code replacing "&", I can help you further narrow down the cause and solution.