How To Fix DBMAN259 - Unknown error in SQL interface

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 259

• Message text: Unknown error in SQL interface

What causes this issue?

The SQL interface of the application server (DBSL) has reported an
unknown error. This error can be caused by:
- Overflows when aggregated data is read from the database in ABAP. If
this occurs, the definition for the corresponding key figure must be
changed.
- Internal errors

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Determine to which of these categories the error belongs and check
whether it can be resolved. Errors are also listed in the system log
(transaction SM21). From the system log, you can use transactions SM51
and SM50 to determine the developers trace log for the work process; in
this log, you can then view the statement causing the error. This
procedure is outlined in SAP Note 568768.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DBMAN259 - Unknown error in SQL interface ?

  The SAP error message DBMAN259: Unknown error in SQL interface typically indicates that there is an issue with the database connection or the SQL interface used by SAP to communicate with the database. This error can arise from various underlying causes, and troubleshooting it may require a systematic approach.
  Possible Causes:
  
  Database Connectivity Issues: The connection between SAP and the database may be disrupted due to network issues, database server downtime, or incorrect connection parameters.
  Database Configuration Problems: Misconfigurations in the database settings or parameters can lead to this error.
  SQL Syntax Errors: If there are issues with the SQL statements being executed, it may trigger this error.
  Database Locking Issues: If the database is locked or if there are deadlocks, it can result in this error.
  Insufficient Database Resources: Lack of memory, disk space, or other resources on the database server can cause this error.
  Database Driver Issues: Problems with the database driver or its compatibility with the SAP system can lead to this error.
  SAP Kernel Issues: An outdated or corrupted SAP kernel can also cause SQL interface errors.
  
  Solutions:
  
  
  Check Database Connectivity:
  
  Verify that the database server is up and running.
  Check network connectivity between the SAP application server and the database server.
  Ensure that the connection parameters (hostname, port, username, password) are correct.
  
  
  
  Review Database Logs:
  
  Check the database logs for any errors or warnings that might provide more context about the issue.
  
  
  
  Examine SQL Statements:
  
  If possible, review the SQL statements being executed at the time of the error to identify any syntax issues.
  
  
  
  Monitor Database Performance:
  
  Use database monitoring tools to check for resource utilization (CPU, memory, disk space) and resolve any bottlenecks.
  
  
  
  Check for Locks:
  
  Investigate if there are any locks or deadlocks in the database that might be causing the issue.
  
  
  
  Update Database Drivers:
  
  Ensure that the database drivers used by SAP are up to date and compatible with the version of the database.
  
  
  
  Upgrade SAP Kernel:
  
  If the issue persists, consider upgrading the SAP kernel to the latest version, as it may contain fixes for known issues.
  
  
  
  Consult SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  
  
  
  Contact SAP Support:
  
  If the issue cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Always check for specific SAP Notes related to DBMAN259 for any known issues or patches.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for troubleshooting connectivity and performance issues.
  System Logs: Review the SAP system logs (transaction SM21) for any additional error messages that may provide more context.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the DBMAN259 error in your SAP environment.