Crew chief crashed in a lotus 79 race at road atlanta. It generated 2 errors in the event log:

Application: CrewChiefV4.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: CrewChiefV4.GameDataReadException
Stack:
at CrewChiefV4.iRacing.iRacingSharedMemoryReader.Read GameData(Boolean)
at CrewChiefV4.CrewChief.Run(System.String, Int32, Boolean)
at CrewChiefV4.MainWindow.runApp()
at System.Threading.ExecutionContext.RunInternal(Syst em.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threa ding.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threa ding.ExecutionContext, System.Threading.ContextCallback, System.Object)
at System.Threading.ThreadHelper.ThreadStart()

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Faulting application name: CrewChiefV4.exe, version: 1.0.0.0, time stamp: 0x5a356c7c
Faulting module name: KERNELBASE.dll, version: 6.1.7601.17514, time stamp: 0x4ce7c78c
Exception code: 0xe0434352
Fault offset: 0x000000000000a49d
Faulting process id: 0x85c
Faulting application start time: 0x01d377505fea480c
Faulting application path: C:\Program Files (x86)\Britton IT Ltd\CrewChiefV4\CrewChiefV4.exe
Faulting module path: C:\Windows\system32\KERNELBASE.dll
Report Id: c4b4a20d-e347-11e7-9a24-94de80ad0442