Division by zero

sorry,me again. i just wanna testing some utf-8 stuff with typospread so i simply drag the betahalo patch from the girlpower folder. the error message pops up sayin:

Division by zero

Application title: 舷舷
Application file: F:\Dev\vvvv_45alpha26.1\vvvv.exe

Exception class: EDivByZero
Exception message: Division by zero.
Exception address: 00575573

Main thread ID = 5240
Exception thread ID = 5240

Exception stack
Stack list, generated 2011/12/20 11:56:45
00575573{vvvv.exe } ValuePins.TMBasicValuePin.SetValue (Line 213, “ValuePins.pas” + 1)
008597B5{vvvv.exe } TypoSpreadNode.TMTypoSpreadNode.EvaluateSingleSpread (Line 200, “TypoSpreadNode.pas” + 50)
0082BA31{vvvv.exe } SimpleSpreadNodes.TMSimpleSpreadNode.EvaluateCB (Line 238, “SimpleSpreadNodes.pas” + 5)
00859239{vvvv.exe } TypoSpreadNode.TMTypoSpreadNode.EvaluateCB (Line 116, “TypoSpreadNode.pas” + 17)
0069B6E6{vvvv.exe } Graph.TMPin.Evaluate (Line 2360, “Graph.pas” + 3)
0069B9CB{vvvv.exe } Graph.TMPin._ValidateAllSlices (Line 2440, “Graph.pas” + 67)
0069B8D7{vvvv.exe } Graph.TMPin._ValidateAllSlices (Line 2399, “Graph.pas” + 26)
0069BA48{vvvv.exe } Graph.TMPin.Validate (Line 2460, “Graph.pas” + 2)
00699681{vvvv.exe } Graph.TMBasicNode.ValidateAllInputs (Line 1149, “Graph.pas” + 2)
006B638A{vvvv.exe } AbstractFilterNode.TMSimpleFilterNode.EvaluateCB (Line 212, “AbstractFilterNode.pas” + 1)
0069B62F{vvvv.exe } Graph.TMPin.ApplyPrepare (Line 2332, “Graph.pas” + 15)
0069B6E6{vvvv.exe } Graph.TMPin.Evaluate (Line 2360, “Graph.pas” + 3)
0069C7B0{vvvv.exe } Graph.TMPin.ResizeToNodeSliceCount (Line 2843, “Graph.pas” + 0)
0069B62F{vvvv.exe } Graph.TMPin.ApplyPrepare (Line 2332, “Graph.pas” + 15)
0069B9CB{vvvv.exe } Graph.TMPin._ValidateAllSlices (Line 2440, “Graph.pas” + 67)
00699701{vvvv.exe } Graph.TMBasicNode.ValidateAllOutputs (Line 1179, “Graph.pas” + 2)
006B6554{vvvv.exe } AbstractFilterNode.TMSimpleFilterNode.PrepareGraph (Line 268, “AbstractFilterNode.pas” + 0)
00699ABB{vvvv.exe } Graph.TMBasicNode.PrepareGraphCB (Line 1306, “Graph.pas” + 2)
006AEBE5{vvvv.exe } Events.TMEvent.Call (Line 403, “Events.pas” + 11)
006ABFA5{vvvv.exe } MainLoop.TMMainLoop.DoTimer (Line 208, “MainLoop.pas” + 27)
0050CB9A{vvvv.exe } IdleTimer.TMIdleTimer.AppIdle (Line 165, “IdleTimer.pas” + 46)
00480B35{vvvv.exe } Forms.TApplication.Idle
0047FFA7{vvvv.exe } Forms.TApplication.HandleMessage
0048028F{vvvv.exe } Forms.TApplication.Run
008A6FCD{vvvv.exe } vvvv.vvvv (Line 24, “” + 7)

Call stack for main thread
Stack list, generated 2011/12/20 11:56:45
77810C42{ntdll.dll } ZwGetContextThread

System : Windows 7 Professional, Version: 6.1, Build: 1DB0, “”
Processor: Intel, Intel® Core™2 Duo CPU P8700 @ 2.53GHz, 2533 MHz MMX SSE SSE2 SSE3 SSSE3 SSE4A 64 bits DEP
Memory: 4095; free 1645
Display : 1366x768 pixels, 32 bpp