How To Fix KX255 - Unexpected database error -> Try again

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 255

• Message text: Unexpected database error -> Try again

What causes this issue?

When trying to read data from the database, an unexpected database
error occurred.

System Response

The last action was interrupted.

How to fix this error?

Repeat the last action. If the error reoccurs, inform your system
administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KX255 - Unexpected database error -> Try again ?

  The SAP error message KX255, which states "Unexpected database error -> Try again," typically indicates that there is an issue with the database connection or the database itself while trying to execute a transaction or report in SAP. This error can arise from various underlying causes, and here are some common reasons, potential solutions, and related information:
  Causes:
  
  Database Connectivity Issues: There may be a temporary loss of connection between the SAP application server and the database server.
  Database Locking: The database might be locked due to long-running transactions or deadlocks.
  Database Configuration Issues: Incorrect configuration settings in the database or SAP system can lead to unexpected errors.
  Resource Limitations: The database server may be running out of resources (e.g., memory, CPU, disk space).
  Corrupted Data: There may be corrupted data in the database that is causing the error.
  Database Maintenance: Ongoing maintenance or updates on the database can lead to temporary unavailability.
  
  Solutions:
  
  Retry the Operation: As the error message suggests, sometimes simply retrying the operation can resolve the issue if it was a temporary glitch.
  Check Database Connection: Verify that the database server is up and running and that the connection settings in SAP are correct.
  Monitor Database Performance: Use database monitoring tools to check for performance issues, locks, or resource limitations.
  Review Logs: Check the SAP application logs (transaction SLG1) and database logs for any specific error messages that can provide more context.
  Database Administration: If you have access, perform a database health check, including checking for locks, running transactions, and resource usage.
  Consult Basis Team: If the issue persists, consult your SAP Basis team or database administrator for further investigation and resolution.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches.
  
  Related Information:
  
  SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance.
  Documentation: Review SAP documentation related to database management and error handling for more insights.
  Community Forums: Check SAP community forums or other online resources where similar issues may have been discussed.
  
  Conclusion:
  The KX255 error can be frustrating, but by systematically checking the potential causes and applying the suggested solutions, you can often resolve the issue. If the problem persists, involving your technical team or SAP support may be necessary for a deeper investigation.