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Unhandled fatal exception

See original GitHub issue

When using the route finder for a long route 395 jumps or higher with the metric “nearest to waypoint” am met with this error the detail drop down of the error presents this

System.ArgumentNullException: Value cannot be null.
Parameter name: source
   at System.Linq.Enumerable.Where[TSource](IEnumerable`1 source, Func`2 predicate)
   at EliteDangerousCore.RoutePlotter.GetBestEDSMSystem(Point3D currentPosition, Point3D travelVectorPerLy, Single maxDistanceFromWanted, Single maxRange) in C:\Code\EDDiscovery\EliteDangerousCore\EliteDangerous\Computers\RoutePlotter.cs:line 158
   at EliteDangerousCore.RoutePlotter.RouteIterative(Action`1 info) in C:\Code\EDDiscovery\EliteDangerousCore\EliteDangerous\Computers\RoutePlotter.cs:line 86
   at EDDiscovery.UserControls.UserControlRoute.RoutingThread(Object _plotter) in C:\Code\EDDiscovery\EDDiscovery\UserControls\RoutesExpeditions\UserControlRoute.cs:line 494
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart(Object obj)