Unable to connect.</br>Array
(
    [0] => Array
        (
            [0] => 08001
            [SQLSTATE] => 08001
            [1] => -1
            [code] => -1
            [2] => [Microsoft][ODBC Driver 17 for SQL Server]SQL Server Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF]. 
            [message] => [Microsoft][ODBC Driver 17 for SQL Server]SQL Server Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF]. 
        )

    [1] => Array
        (
            [0] => 42000
            [SQLSTATE] => 42000
            [1] => 18461
            [code] => 18461
            [2] => [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Login failed for user 'sa'. Reason: Server is in single user mode. Only one administrator can connect at this time.
            [message] => [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Login failed for user 'sa'. Reason: Server is in single user mode. Only one administrator can connect at this time.
        )

    [2] => Array
        (
            [0] => 08001
            [SQLSTATE] => 08001
            [1] => -1
            [code] => -1
            [2] => [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online.
            [message] => [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online.
        )

)