java.lang.NullPointerException: This exception has no message.

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via Stack Overflow by Frank Harris
, 1 year ago
This exception has no message.
via GitHub by madhephaestus
, 3 months ago
This exception has no message.
at com.sun.javafx.css.StyleManager.getURL(
at com.sun.javafx.css.StyleManager.loadStylesheetUnPrivileged(
at com.sun.javafx.css.StyleManager.loadStylesheet(
at com.sun.javafx.css.StyleManager._setDefaultUserAgentStylesheet(
at com.sun.javafx.css.StyleManager.setUserAgentStylesheets(
at com.sun.javafx.application.PlatformImpl.lambda$_setPlatformUserAgentStylesheet$182(
at com.sun.javafx.application.PlatformImpl._setPlatformUserAgentStylesheet(
at com.sun.javafx.application.PlatformImpl.setPlatformUserAgentStylesheet(
at com.sun.javafx.application.PlatformImpl.setDefaultPlatformUserAgentStylesheet(
at javafx.scene.control.Control.(

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