java.lang.IllegalStateException: Stage must be showing before making the Dialog visible.

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via jensd.de by Unknown author, 6 months ago
Stage must be showing before making the Dialog visible.
java.lang.IllegalStateException: Stage must be showing before making the Dialog visible.
at com.gluonhq.charm.glisten.control.Dialog.showAndWait(SourceFile:528)
at com.gluonhq.impl.charm.a.d.c.b(SourceFile:77)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at com.sun.javafx.application.PlatformImpl.lambda$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)

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