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java.util.NoSuchElementException: No value present	at java.util.Optional.get(Optional.java:135)	at blue.lapis.nocturne.mapping.model.InnerClassMapping.setDeobfuscatedName(InnerClassMapping.java:100)	at blue.lapis.nocturne.mapping.model.Mapping.initialize(Mapping.java:51)	at blue.lapis.nocturne.mapping.model.ClassMapping.addInnerClassMapping(ClassMapping.java:142)	at blue.lapis.nocturne.mapping.model.InnerClassMapping.(InnerClassMapping.java:57)	at blue.lapis.nocturne.util.helper.MappingsHelper.getClassMapping(MappingsHelper.java:139)	at blue.lapis.nocturne.util.helper.MappingsHelper.getOrCreateClassMapping(MappingsHelper.java:165)	at blue.lapis.nocturne.mapping.model.MethodMapping.setDeobfuscatedName(MethodMapping.java:127)	at blue.lapis.nocturne.mapping.model.MethodMapping.initialize(MethodMapping.java:83)	at blue.lapis.nocturne.mapping.model.ClassMapping.addMethodMapping(ClassMapping.java:122)	at blue.lapis.nocturne.mapping.model.MethodMapping.(MethodMapping.java:66)	at blue.lapis.nocturne.mapping.model.MethodMapping.(MethodMapping.java:79)	at blue.lapis.nocturne.util.helper.MappingsHelper.genMethodMapping(MappingsHelper.java:117)	at blue.lapis.nocturne.mapping.io.reader.SrgReader.genMethodMappings(SrgReader.java:114)	at blue.lapis.nocturne.mapping.io.reader.SrgReader.read(SrgReader.java:81)	at blue.lapis.nocturne.gui.io.mappings.MappingsOpenDialogHelper.openMappings(MappingsOpenDialogHelper.java:78)	at blue.lapis.nocturne.gui.MainController.loadMappings(MainController.java:199)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)	at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)	at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1769)	at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1657)	at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)	at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)	at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)	at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)	at javafx.event.Event.fireEvent(Event.java:198)	at javafx.scene.control.MenuItem.fire(MenuItem.java:462)	at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1405)	at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.lambda$createChildren$343(ContextMenuContent.java:1358)	at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)	at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)	at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)	at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)	at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)	at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)	at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)	at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)	at javafx.event.Event.fireEvent(Event.java:198)	at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)	at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)	at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)	at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)	at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:352)	at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:275)	at java.security.AccessController.doPrivileged(Native Method)	at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$300(GlassViewEventHandler.java:388)	at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)	at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:387)	at com.sun.glass.ui.View.handleMouseEvent(View.java:555)	at com.sun.glass.ui.View.notifyMouse(View.java:937)	at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)	at com.sun.glass.ui.gtk.GtkApplication.lambda$null$450(GtkApplication.java:139)	at java.lang.Thread.run(Thread.java:745)