How To Fix MFLE_TOOLS090 - Error when retrieving SQL connection: &1&2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: MFLE_TOOLS - Msg Type for MFLE_TOOLS

• Message number: 090

• Message text: Error when retrieving SQL connection: &1&2&3&4

What causes this issue?

Error when retrieving SQL connection.

System Response

<(>&<)>1<(>&<)>2<(>&<)>3<(>&<)>4

How to fix this error?

Please restart the XPRA.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MFLE_TOOLS090 - Error when retrieving SQL connection: &1&2&3&4 ?

  The SAP error message MFLE_TOOLS090 indicates an issue with retrieving an SQL connection. This error can occur in various scenarios, often related to database connectivity or configuration issues. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Database Connectivity Issues: The SAP system may not be able to connect to the database due to network issues, incorrect database credentials, or the database server being down.
  Configuration Errors: Incorrect configuration settings in the SAP system or the database connection parameters (like host, port, user, password) can lead to this error.
  Database Driver Issues: The database driver may not be installed correctly or may be incompatible with the version of SAP you are using.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, connections) that prevent new connections from being established.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the database.
  
  Solutions:
  
  
  Check Database Connectivity:
  
  Verify that the database server is up and running.
  Use tools like ping or telnet to check connectivity to the database server from the SAP application server.
  
  
  
  Review Connection Parameters:
  
  Check the connection parameters in the SAP system (transaction DBACOCKPIT or DB02).
  Ensure that the hostname, port, username, and password are correct.
  
  
  
  Database Driver Verification:
  
  Ensure that the correct database driver is installed and configured in the SAP system.
  Check for any updates or patches for the database driver.
  
  
  
  Monitor Database Resources:
  
  Check the database server for resource usage (CPU, memory, connections).
  Increase resource limits if necessary or optimize the database performance.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that they allow traffic on the database port.
  Check for any security policies that might restrict access to the database.
  
  
  
  SAP Notes and Documentation:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error.
  Review the documentation for your specific SAP version and database for any known issues or configuration guidelines.
  
  
  
  Related Information:
  
  SAP Support Portal: Use the SAP Support Portal to search for specific notes related to the error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes like DBACOCKPIT, DB02, and SM21 for monitoring and troubleshooting.
  Logs: Check the application logs (transaction SM21) and the database logs for any additional error messages that may provide more context.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.