Database Explorer error: Object reference not set to an instance of an object. (4323822)

Go to Tools | Database Explorer and this error shows: 

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Exception Information

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Exception: System.NullReferenceException

Message  : Object reference not set to an instance of an object.

Stack Trace:

   at Quest.Toad.DatabaseBrowser.ObjectPaletteControl.CreateFilterDropDown(DropDownButton button, ITrl trl)

   at Quest.Toad.DatabaseBrowser.ObjectPaletteControl.btnDBFilterDropDown_ArrowButtonClick(Object sender, EventArgs e)

   at DevExpress.XtraEditors.DropDownButton.RaiseArrowButtonClick()

   at DevExpress.XtraEditors.DropDownButton.OnArrowClick()

   at DevExpress.XtraEditors.DropDownButton.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.Utils.Controls.ControlBase.WndProc(Message& m)

   at DevExpress.XtraEditors.DropDownButton.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)

On the other hand, no issue with select statements and data loads normally.

WORKAOUND

None

STATUS

Waiting for fix in a future release of Toad for Sybase