Crash when trying to change filter type

I try to click on the filter type button for the last filter on the right, and SigmaStudio 3.11 64-bit crashes:

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Application Exception

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InvalidArgument=Value of '2' is not valid for 'SelectedIndex'.

Parameter name: SelectedIndex

Bond SelectedIndex Can't Update

From DataSource Type.Data To Control comboBox1 property SelectedIndex

with proposed value of type System.Int32

at Analog.Data.UI.UIBinding.UpdateCtrl(Object sender, EventArgs e)

at Analog.Data.UI.UIBinding.Bind(Object ctrl)

at Analog.Data.UI.UIBinding.Bind()

at Analog.Data.UI.UIBinding.QuickBond(Object ctrl, String property, Object dataSource, String dataMember, Boolean invertLogic)

at Analog.Data.UIData.Bind(Object ctrl, String property, String dataSourceProperty, Boolean invertLogic, Object[] alarmValues)

at Analog.Data.UIData.Bind(Object ctrl, String property)

at ADICtrls.Equalizer.t_Click(Object sender, EventArgs e)

at CustomADIControls.EQPlus.OnClicked(Object sender, EventArgs e)

at System.Windows.Forms.Control.OnClick(EventArgs e)

at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

at System.Windows.Forms.Control.WndProc(Message& m)

at System.Windows.Forms.ScrollableControl.WndProc(Message& m)

at System.Windows.Forms.ContainerControl.WndProc(Message& m)

at System.Windows.Forms.UserControl.WndProc(Message& m)

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)

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Abort Retry Ignore

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bug_report

crash