How To Fix 0S071 - No explain plan can be displayed for an enqueue trace record

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 071

• Message text: No explain plan can be displayed for an enqueue trace record

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 0S071 - No explain plan can be displayed for an enqueue trace record ?

  The SAP error message 0S071 ("No explain plan can be displayed for an enqueue trace record") typically occurs when there is an issue with the database's ability to generate an execution plan for a specific SQL statement that is being traced. This can happen in various scenarios, particularly when dealing with enqueue locks or when analyzing performance issues.
  Causes:
  
  Missing or Incomplete Trace Information: The enqueue trace record may not contain sufficient information for the database to generate an execution plan.
  Database Configuration Issues: There may be configuration issues with the database that prevent it from generating execution plans.
  SQL Statement Issues: The SQL statement being traced may be malformed or not properly structured, leading to an inability to generate an execution plan.
  Database Version or Compatibility: The version of the database or the SAP system may not support the features required to generate an execution plan for the specific SQL statement.
  
  Solutions:
  
  Check Trace Configuration: Ensure that the trace is correctly configured and that all necessary parameters are set to capture the required information.
  Review SQL Statements: Analyze the SQL statements being executed to ensure they are valid and optimized. Look for any syntax errors or inefficiencies.
  Database Settings: Check the database settings and configurations to ensure that they are optimized for performance and that execution plans can be generated.
  Update Database: If you are using an older version of the database, consider updating to a newer version that may have better support for execution plans.
  Consult Documentation: Refer to the SAP and database documentation for any specific notes or recommendations regarding the error message and how to resolve it.
  Contact Support: If the issue persists, consider reaching out to SAP support or your database vendor for further assistance.
  
  Related Information:
  
  Enqueue Locks: Understanding how enqueue locks work in SAP can help in diagnosing issues related to performance and locking.
  Performance Tuning: Familiarize yourself with performance tuning techniques for both SAP and the underlying database to prevent similar issues in the future.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message 0S071 in your SAP environment.