How To Fix 0S029 - Trace record cannot be read & &

SAP Error Message - Details

• Message type: E = Error

• Message class: 0S - Messages for the SQL trace

• Message number: 029

• Message text: Trace record cannot be read & &

What causes this issue?

The trace record contains the length of the trace record sent to the
database and the length of the result received from the database. The
system determined that one or more lengths specified in the logged
trace records is incorrect. The lengths are output.

System Response

After displaying the message the system continues processing the next
trace record. The output trace list is incomplete.

How to fix this error?

As this is an internal error, you cannot fix it yourself. Attempt to
reproduce the error. If you can reproduce the error, contact SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0S029 - Trace record cannot be read & & ?

  The SAP error message "0S029 Trace record cannot be read" typically indicates an issue with accessing or reading a trace record in the SAP system. This can occur for various reasons, including issues with the trace file itself, permissions, or system configuration.
  Causes:
  
  Missing Trace File: The trace file that the system is trying to access may not exist or may have been deleted.
  File Permissions: The user or process trying to access the trace record may not have the necessary permissions to read the file.
  Corrupted Trace File: The trace file may be corrupted, making it unreadable.
  System Configuration Issues: There may be configuration issues in the SAP system that prevent proper access to trace records.
  Database Issues: If the trace records are stored in a database, there may be issues with the database itself.
  
  Solutions:
  
  Check Trace File Existence: Verify that the trace file exists in the expected location. If it is missing, you may need to regenerate it or restore it from a backup.
  Verify Permissions: Ensure that the user or process has the necessary permissions to access the trace file. You may need to adjust file permissions or user roles.
  Check for Corruption: If the trace file is corrupted, you may need to delete it and allow the system to create a new one.
  Review System Configuration: Check the SAP system configuration related to trace files and ensure that everything is set up correctly.
  Database Health Check: If the trace records are stored in a database, perform a health check on the database to ensure it is functioning properly.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or specific fixes related to this error message.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like ST01 (System Trace) or ST05 (SQL Trace) to analyze trace records and identify issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  Logs: Check the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the "0S029 Trace record cannot be read" error in your SAP system.