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java.lang.IllegalStateException: Timer already cancelled. at java.util.Timer.sched(Timer.java:397) at java.util.Timer.schedule(Timer.java:193) at simulizer.ui.components.CPU.lambda$showText$0(CPU.java:110) at javafx.animation.Animation.impl_finished(Animation.java:1132) at javafx.animation.AnimationAccessorImpl.finished(AnimationAccessorImpl.java:49) at com.sun.scenario.animation.shared.SingleLoopClipEnvelope.timePulse(SingleLoopClipEnvelope.java:103) at javafx.animation.Animation.impl_timePulse(Animation.java:1102) at javafx.animation.Animation$1.lambda$timePulse$24(Animation.java:186) at java.security.AccessController.doPrivileged(Native Method) at javafx.animation.Animation$1.timePulse(Animation.java:185) at com.sun.scenario.animation.AbstractMasterTimer.timePulseImpl(AbstractMasterTimer.java:344) at com.sun.scenario.animation.AbstractMasterTimer$MainLoop.run(AbstractMasterTimer.java:267) at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:506) at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:490) at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$346(QuantumToolkit.java:319) at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95) at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method) at com.sun.glass.ui.gtk.GtkApplication.lambda$null$450(GtkApplication.java:139) at java.lang.Thread.run(Thread.java:745)