How To Fix PX028 - An SQL error has occured, please see the system log

SAP Error Message - Details

• Message type: E = Error

• Message class: PX - HR-PA: Error messages for XPRAs

• Message number: 028

• Message text: An SQL error has occured, please see the system log

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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First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PX028 - An SQL error has occured, please see the system log ?

  The SAP error message PX028, which states "An SQL error has occurred, please see the system log," typically indicates that there is an issue with the database interaction in the SAP system. This error can arise from various underlying causes, and resolving it often requires a systematic approach. Here are some common causes, potential solutions, and related information:
  Common Causes:
  
  Database Connectivity Issues: Problems with the connection between the SAP application server and the database server.
  SQL Syntax Errors: Incorrect SQL queries being executed, possibly due to custom code or modifications.
  Database Locking: A database table or row may be locked by another transaction, preventing the current operation from completing.
  Insufficient Database Resources: The database may be running out of memory, disk space, or other resources.
  Corrupted Database Objects: Tables or indexes may be corrupted, leading to SQL errors.
  Configuration Issues: Incorrect database configuration settings in the SAP system.
  
  Potential Solutions:
  
  Check the System Log: Use transaction code SM21 to view the system log for more detailed error messages that can provide insights into the specific SQL error.
  Review SQL Trace: Use transaction code ST05 to activate the SQL trace and analyze the SQL statements being executed to identify any syntax errors or performance issues.
  Database Connection: Verify the database connection settings in the SAP system. Ensure that the database is up and running and that the connection parameters are correct.
  Check for Locks: Use transaction code SM12 to check for any locks on database tables that may be causing the issue. If necessary, release the locks.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly. This may include checking for disk space, memory usage, and running consistency checks.
  Review Custom Code: If the error occurs in a custom program or report, review the code for any potential SQL syntax errors or logic issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address the specific error or provide patches or updates.
  Database Administration: If the issue persists, consult with your database administrator to investigate further, especially if there are signs of corruption or resource limitations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST05 (SQL Trace), SM12 (Lock Entries), and DB02 (Database Performance).
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  Documentation: Review SAP documentation and community forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the PX028 error in your SAP system.