system error after Duo 2 way authentication enable

Hi, I can't open the PVM after enabled the Duo 2 way authentication. I got the following error every time when I open the software.

NullReferenceException - Object reference not set to an instance of an object.


NullReferenceException - Object reference not set to an instance of an object.

at Devolutions.RemoteDesktopManager.Business.DuoTwoFactorDescriptor.c4b577c0a9e303ef3ec4b74d0d1689811(String c87deef0e94903412ed1a7020e9f3a44f, BaseConnectionDataSource c7f28727fc7a5daa94ba08f688b2a5781, TwoFactorUsageMode c589a6f54061f714a2a6d4b635ab90256)
at Devolutions.RemoteDesktopManager.Business.DuoTwoFactorDescriptor.ValidateDataSourceMode(TwoFactorInfo info, BaseConnectionDataSource dataSource)
at A.cf19f0f83e50398a9ccc73e455f33cc7d.c4cb620bc20ee841e5058e5583441fe61(TwoFactorInfo cd7615d3e848c79ea11acccb66301ec3e, BaseConnectionDataSource c7f28727fc7a5daa94ba08f688b2a5781)
at Devolutions.RemoteDesktopManager.Business.DataSources.BaseConnectionDataSource.UnlockTwoFactor()
at Devolutions.RemoteDesktopManager.Managers.LockManager.EnsureDataSourceUnlockedTwoFactor()
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.ca4799bebd8b706f34eea94a778843b55(BaseConnectionDataSource c01af917dca3518ff73ed69848f95f91a)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.LoadConnections(BaseConnectionDataSource connectionDataSource)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.RefreshConnections()
at Devolutions.RemoteDesktopManager.Forms.FrmMainRibbonBase.RefreshAllConnectionView(Boolean saveState, Boolean checkOnline)
at Devolutions.RemoteDesktopManager.Forms.FrmMainRibbonBase.RefreshView(Boolean checkOnline)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.set_DataSource(BaseConnectionDataSource value)
at Devolutions.RemoteDesktopManager.Frames.FreConnectionDataSource.c14b7ac74cde8fb1901b1b7aa32d80dcb(Object c19f185fd70cefc696ba148af1c4faf54, EventArgs cf1018bb83ec7debd818319fd3cb4844e)
at DevExpress.XtraEditors.Repository.RepositoryItem.RaiseEditValueChangedCore(EventArgs e)
at DevExpress.XtraEditors.Repository.RepositoryItem.RaiseEditValueChanged(EventArgs e)
at DevExpress.XtraEditors.BaseEdit.RaiseEditValueChanged()
at DevExpress.XtraEditors.BaseEdit.OnEditValueChanged()
at DevExpress.XtraEditors.TextEdit.OnEditValueChanged()
at DevExpress.XtraEditors.PopupBaseAutoSearchEdit.OnEditValueChanged()
at DevExpress.XtraEditors.BaseEdit.OnEditValueChanging(ChangingEventArgs e)
at DevExpress.XtraEditors.TextEdit.OnEditValueChanging(ChangingEventArgs e)
at DevExpress.XtraEditors.BaseEdit.set_EditValue(Object value)
at DevExpress.XtraEditors.ComboBoxEdit.set_EditValue(Object value)
at DevExpress.XtraEditors.ImageComboBoxEdit.set_EditValue(Object value)
at Devolutions.RemoteDesktopManager.Frames.FreConnectionDataSource.RefreshDataSources()
at Devolutions.RemoteDesktopManager.Decorators.DecoratorManager.RefreshDataSources()
at Devolutions.RemoteDesktopManager.Forms.FrmMainRibbonBase.RefreshDataSources()
at Devolutions.RemoteDesktopManager.Managers.ActionManager.EditDataSource()
at Devolutions.RemoteDesktopManager.Managers.MainMenuManager.c9ada1eaf4ac107f2271b4558a8c8e1a6(Object c19f185fd70cefc696ba148af1c4faf54, EventArgs cf1018bb83ec7debd818319fd3cb4844e)
at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStripItem.PerformClick()
at Devolutions.RemoteDesktopManager.Decorators.RibbonControlDecorator.c87c78fe207115667325ed4a98b055706(Object c19f185fd70cefc696ba148af1c4faf54, BackstageViewItemEventArgs cf1018bb83ec7debd818319fd3cb4844e)
at DevExpress.XtraBars.Ribbon.BackstageViewButtonItem.RaiseItemClick()
at DevExpress.XtraBars.Ribbon.Handler.BackstageViewControlHandler.OnMouseUp(DXMouseEventArgs e)
at DevExpress.XtraBars.Ribbon.Handler.Office2013BackstageViewControlHandler.OnMouseUp(DXMouseEventArgs e)
at DevExpress.XtraBars.Ribbon.BackstageViewControl.OnMouseUp(MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at DevExpress.XtraBars.Ribbon.BackstageViewControl.WndProc(Message& msg)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)