HeidiSQL Crash

HeidiSQL 9.3.0.4984
Windows 7 Enterprise 64-bit, English

Steps to reproduce:
1: Add new field column to a table, do NOT save.
2: Within the same database, choose a different table.
3: You'll be prompted to save your changes, so click "Save"
4: Heidi will crash.

See attached ScreenShots.

Here is the "bugreport.txt" info:

date/time : 2015-08-18, 08:21:14, 551ms
computer name : CLE-5KJTB42
user name : 20048 <admin>
registered owner : admin
operating system : Windows 7 x64 Service Pack 1 build 7601
system language : English
system up time : 1 day
program up time : 5 minutes 59 seconds
processors : 4x Intel(R) Xeon(R) CPU E5-1607 v3 @ 3.10GHz
physical memory : 10827/16308 MB (free/total)
free disk space : (C:) 348.39 GB
display mode : 1920x1080, 32 bit
process id : $3c6c
allocated memory : 107.56 MB
largest free block : 8185.68 GB
executable : heidisql.exe
exec. date/time : 2015-08-08 17:43
version : 9.3.0.4984
compiled with : Delphi XE5
madExcept version : 4.0.8.1
callstack crc : $b92117a1, $f73982b2, $f73982b2
exception number : 1
exception class : EAccessViolation
exception message : Access violation at address 00000000008F3C93 in module 'heidisql.exe'. Read of address FFFFFFFFFFFFFFFF.

main thread ($3efc):
008f3c93 heidisql.exe VirtualTrees 28288 +7 TBaseVirtualTree.GetNodeData
00c384df heidisql.exe Main 7675 +7 TMainForm.DBtreeInitNode
008e0745 heidisql.exe VirtualTrees 20191 +2 TBaseVirtualTree.DoInitNode
008e6b30 heidisql.exe VirtualTrees 22648 +10 TBaseVirtualTree.InitNode
008f0c60 heidisql.exe VirtualTrees 26591 +6 TBaseVirtualTree.GetDisplayRect
008f5c61 heidisql.exe VirtualTrees 29439 +3 TBaseVirtualTree.InvalidateNode
00902c69 heidisql.exe VirtualTrees 34134 +1 TCustomVirtualStringTree.InvalidateNode
008dfae2 heidisql.exe VirtualTrees 19785 +29 TBaseVirtualTree.DoFocusNode
008e634e heidisql.exe VirtualTrees 22457 +242 TBaseVirtualTree.HandleMouseDown
008d9e55 heidisql.exe VirtualTrees 17178 +6 TBaseVirtualTree.WMLButtonDown
0040cb1e heidisql.exe System TObject.Dispatch
008ed468 heidisql.exe VirtualTrees 25260 +19 TBaseVirtualTree.WndProc
00699d0a heidisql.exe Vcl.Controls TWinControl.MainWndProc
005da643 heidisql.exe System.Classes StdWndProc
776598d5 USER32.dll DispatchMessageW
00812f1f heidisql.exe Vcl.Forms TApplication.ProcessMessage
00812f93 heidisql.exe Vcl.Forms TApplication.HandleMessage
0081347f heidisql.exe Vcl.Forms TApplication.Run
00c6b647 heidisql.exe heidisql 78 +24 initialization
77535a4b kernel32.dll BaseThreadInitThunk