Here is an example of what happens when calling Ap...
# tornadofx
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Here is an example of what happens when calling Application.launch more than once: java.lang.IllegalStateException: Application launch must not be called more than once at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:162) at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:143) at javafx.application.Application.launch(Application.java:191) at Line_18.startApp(Line_18.kts:2) at Line_18.startApp$default(Line_18.kts:4)