java.lang.ArrayIndexOutOfBoundsException: -2

java.lang.ArrayIndexOutOfBoundsException: -2	at net.bhl.cdt.paxelerate.ui.views.PropertyViewPart.drawFunction(PropertyViewPart.java:299)	at net.bhl.cdt.paxelerate.ui.views.PropertyViewPart.createFunctionBlock(PropertyViewPart.java:253)	at net.bhl.cdt.paxelerate.ui.views.PropertyViewPart$2.paintControl(PropertyViewPart.java:208)	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:230)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1137)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1122)	at org.eclipse.swt.widgets.Composite.WM_PAINT(Composite.java:1512)	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4733)	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339)	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5063)	at org.eclipse.swt.internal.win32.OS.RedrawWindow(Native Method)	at org.eclipse.swt.widgets.Control.update(Control.java:4493)	at org.eclipse.swt.widgets.Control.update(Control.java:4483)	at net.bhl.cdt.paxelerate.ui.views.PropertyViewPart.doTheDraw(PropertyViewPart.java:105)	at net.bhl.cdt.paxelerate.ui.views.PropertyViewPart.updateUI(PropertyViewPart.java:427)	at net.bhl.cdt.paxelerate.ui.commands.RefreshCabinViewCommand.doRun(RefreshCabinViewCommand.java:106)	at net.bhl.cdt.paxelerate.ui.commands.GeneratePassengersCommand$1$2.run(GeneratePassengersCommand.java:145)	at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:162)	at org.eclipse.ui.internal.UILockListener.aboutToWait(UILockListener.java:128)	at org.eclipse.core.internal.jobs.LockManager.aboutToWait(LockManager.java:114)	at org.eclipse.core.internal.jobs.JobManager.join(JobManager.java:904)	at org.eclipse.core.internal.jobs.InternalJob.join(InternalJob.java:341)	at org.eclipse.core.runtime.jobs.Job.join(Job.java:458)	at net.bhl.cdt.paxelerate.ui.commands.GeneratePassengersCommand.doRun(GeneratePassengersCommand.java:173)	at net.bhl.cdt.paxelerate.ui.commands.RefreshCabinViewCommand.doRun(RefreshCabinViewCommand.java:64)	at net.bhl.cdt.commands.CDTCommand.execute(CDTCommand.java:34)	at net.bhl.cdt.paxelerate.ui.helper.DefineBatchSimulationInput$1$1.run(DefineBatchSimulationInput.java:125)	at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:162)	at org.eclipse.ui.internal.UILockListener.aboutToWait(UILockListener.java:128)	at org.eclipse.core.internal.jobs.LockManager.aboutToWait(LockManager.java:114)	at org.eclipse.core.internal.jobs.JobManager.join(JobManager.java:904)	at org.eclipse.core.internal.jobs.InternalJob.join(InternalJob.java:341)	at org.eclipse.core.runtime.jobs.Job.join(Job.java:458)	at net.bhl.cdt.paxelerate.ui.helper.DefineBatchSimulationInput.doRun(DefineBatchSimulationInput.java:255)	at net.bhl.cdt.paxelerate.ui.commands.RunBatchSimulationMenuCommand.doRun(RunBatchSimulationMenuCommand.java:85)	at net.bhl.cdt.commands.CDTCommand.execute(CDTCommand.java:34)	at net.bhl.cdt.paxelerate.ui.handlers.RunBatchSimulationMenuHandler.execute(RunBatchSimulationMenuHandler.java:36)	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:295)	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:252)	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:234)	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:493)	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:486)	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:799)	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.handleWidgetSelection(HandledContributionItem.java:675)	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.access$7(HandledContributionItem.java:659)	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem$4.handleEvent(HandledContributionItem.java:592)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)	at net.bhl.cdt.client.Application.start(Application.java:26)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)	at org.eclipse.equinox.launcher.Main.main(Main.java:1488)