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    Thrown to indicate that a method has been passed an illegal or inappropriate argument. Make sure your getter and setter methods have the same return/parameter types (that is, String for String, Integer for Integer).

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java.lang.IllegalArgumentException: Can not set javafx.scene.control.Label field olamundojavafx.FXMLDocumentController.lblMensagem to javafx.scene.layout.AnchorPane	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167)	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171)	at sun.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl.java:81)	at java.lang.reflect.Field.set(Field.java:764)	at javafx.fxml.FXMLLoader.injectFields(FXMLLoader.java:1163)	at javafx.fxml.FXMLLoader.access$1600(FXMLLoader.java:103)	at javafx.fxml.FXMLLoader$ValueElement.processValue(FXMLLoader.java:857)	at javafx.fxml.FXMLLoader$ValueElement.processStartElement(FXMLLoader.java:751)	at javafx.fxml.FXMLLoader.processStartElement(FXMLLoader.java:2707)	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2527)	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)	at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)	at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)	at olamundojavafx.OlaMundoJavaFX.start(OlaMundoJavaFX.java:24)	at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$162(LauncherImpl.java:863)	at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)	at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)	at java.security.AccessController.doPrivileged(Native Method)	at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)	at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)	at java.lang.Thread.run(Thread.java:745)