QuickFixN OnLogon NullReferenceException at QuickFix.Session.NextLogon

// 示例代码：确保配置文件已正确加载
var settings = new SessionSettings(new FileStoreFactory(), new ScreenLogFactory(), "path/to/config.cfg");
var application = new MyApplication();
var storeFactory = new FileStoreFactory(settings);
var logFactory = new ScreenLogFactory(settings);
var sessionID = new SessionID("FIX.4.4", "SENDER", "TARGET");
var session = new Session(sessionID, storeFactory, settings, logFactory, application);

// 示例代码：确保依赖对象已正确注入
public class MyApplication : IApplication
{
    private readonly SomeDependency _dependency;

    public MyApplication(SomeDependency dependency)
    {
        _dependency = dependency;
    }

    // 实现IApplication接口的方法
}

# 示例配置文件内容
[DEFAULT]
ConnectionType=initiator
SenderCompID=SENDER
TargetCompID=TARGET
BeginString=FIX.4.4
SocketConnectHost=localhost
SocketConnectPort=5001

// 示例代码：检查网络连接
var socketInitiator = new SocketInitiator(application, storeFactory, settings);
socketInitiator.Start();