Crash on 'Drop Table'

Here is bug report:


date/time : 2014-07-02, 15:18:03, 217ms
computer name : YOUSHA-PC
user name : Yousha <admin>
registered owner : Yousha
operating system : Windows 7 Service Pack 1 build 7601
system language : English
system up time : 4 hours 26 minutes
program up time : 10 seconds
processors : 4x Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz
physical memory : 556/1898 MB (free/total)
free disk space : (C:) 22.42 GB
display mode : 1366x768, 32 bit
process id : $d9c
allocated memory : 42.63 MB
largest free block : 1.47 GB
executable : HeidiSQL.exe
exec. date/time : 2014-01-25 11:33
version : 8.3.0.4694
compiled with : Delphi XE5
madExcept version : 4.0.8.1
callstack crc : $41fa73ac, $7ba167dd, $7ba167dd
exception number : 1
exception class : EArgumentOutOfRangeException
exception message : Argument out of range.

main thread ($46c):
0083ac8b HeidiSQL.exe dbconnection 728 +0 {System.Generics.Collections}TList<dbconnection.TDBObject>.GetItem
00933b35 HeidiSQL.exe Main 5056 +5 TMainForm.ListTablesInitNode
007019ab HeidiSQL.exe VirtualTrees 22106 +2 TBaseVirtualTree.DoInitNode
00705ba8 HeidiSQL.exe VirtualTrees 24498 +8 TBaseVirtualTree.InitNode
00715a7a HeidiSQL.exe VirtualTrees 34134 +5 TBaseVirtualTree.ValidateNode
00715a47 HeidiSQL.exe VirtualTrees 34115 +9 TBaseVirtualTree.ValidateChildren
00714500 HeidiSQL.exe VirtualTrees 33348 +18 TBaseVirtualTree.Sort
00714612 HeidiSQL.exe VirtualTrees 33401 +1 DoSort
007146dd HeidiSQL.exe VirtualTrees 33427 +11 TBaseVirtualTree.SortTree
0070c78e HeidiSQL.exe VirtualTrees 28206 +35 TBaseVirtualTree.EndUpdate
00933483 HeidiSQL.exe Main 4975 +49 TMainForm.ListTablesBeforePaint
0070025b HeidiSQL.exe VirtualTrees 21198 +2 TBaseVirtualTree.DoBeforePaint
007116fd HeidiSQL.exe VirtualTrees 31781 +5 TBaseVirtualTree.PaintTree
0070742d HeidiSQL.exe VirtualTrees 25419 +22 TBaseVirtualTree.Paint
005ba7cb HeidiSQL.exe Vcl.Controls TCustomControl.PaintWindow
005b4b05 HeidiSQL.exe Vcl.Controls TWinControl.PaintHandler
005b52f8 HeidiSQL.exe Vcl.Controls TWinControl.WMPaint
005ba765 HeidiSQL.exe Vcl.Controls TCustomControl.WMPaint
006fd675 HeidiSQL.exe VirtualTrees 19414 +8 TBaseVirtualTree.WMPaint
005afe19 HeidiSQL.exe Vcl.Controls TControl.WndProc
005b4939 HeidiSQL.exe Vcl.Controls TWinControl.WndProc
0070a675 HeidiSQL.exe VirtualTrees 27144 +32 TBaseVirtualTree.WndProc
005b3f7c HeidiSQL.exe Vcl.Controls TWinControl.MainWndProc
0053b468 HeidiSQL.exe System.Classes StdWndProc
76fe6feb ntdll.dll KiUserCallbackDispatcher
005b8387 HeidiSQL.exe Vcl.Controls TWinControl.CalcConstraints
76ac1b52 USER32.dll CallWindowProcW
005b4a4a HeidiSQL.exe Vcl.Controls TWinControl.DefaultHandler
005afe19 HeidiSQL.exe Vcl.Controls TControl.WndProc
005b2b7f HeidiSQL.exe Vcl.Controls TWinControl.AlignControl
005ad608 HeidiSQL.exe Vcl.Controls TControl.RequestAlign
005b5b2f HeidiSQL.exe Vcl.Controls TWinControl.RequestAlign
005b7919 HeidiSQL.exe Vcl.Controls TWinControl.AdjustSize
005b2936 HeidiSQL.exe Vcl.Controls DoAdjustSize
004a5809 HeidiSQL.exe madExcept InterceptClassDestroy
00520918 HeidiSQL.exe System.Classes TList.Destroy
005b2b7f HeidiSQL.exe Vcl.Controls TWinControl.AlignControl
005ad608 HeidiSQL.exe Vcl.Controls TControl.RequestAlign
005b5b2f HeidiSQL.exe Vcl.Controls TWinControl.RequestAlign
005b7919 HeidiSQL.exe Vcl.Controls TWinControl.AdjustSize
005b3f7c HeidiSQL.exe Vcl.Controls TWinControl.MainWndProc
0053b468 HeidiSQL.exe System.Classes StdWndProc
76ac557d USER32.dll SendMessageW
005f2b58 HeidiSQL.exe Vcl.ComCtrls TCustomTabControl.SetTabIndex
005f487a HeidiSQL.exe Vcl.ComCtrls TPageControl.SetTabIndex
005f4234 HeidiSQL.exe Vcl.ComCtrls TPageControl.SetActivePage
0094565b HeidiSQL.exe Main 10125 +3 TMainForm.SetMainTab
0093ddbd HeidiSQL.exe Main 7682 +135 TMainForm.DBtreeFocusChanged
0070104a HeidiSQL.exe VirtualTrees 21679 +2 TBaseVirtualTree.DoFocusChange
00705682 HeidiSQL.exe VirtualTrees 24334 +243 TBaseVirtualTree.HandleMouseDown
006fd8a7 HeidiSQL.exe VirtualTrees 19513 +11 TBaseVirtualTree.WMRButtonDown
005afe19 HeidiSQL.exe Vcl.Controls TControl.WndProc
005b4939 HeidiSQL.exe Vcl.Controls TWinControl.WndProc
0070a675 HeidiSQL.exe VirtualTrees 27144 +32 TBaseVirtualTree.WndProc
005b3f7c HeidiSQL.exe Vcl.Controls TWinControl.MainWndProc
0053b468 HeidiSQL.exe System.Classes StdWndProc
76accc6b USER32.dll DispatchMessageW
00684da3 HeidiSQL.exe Vcl.Forms TApplication.ProcessMessage
00684de6 HeidiSQL.exe Vcl.Forms TApplication.HandleMessage
00685121 HeidiSQL.exe Vcl.Forms TApplication.Run
0095d96f HeidiSQL.exe heidisql 77 +24 initialization
75543c43 kernel32.dll BaseThreadInitThunk