public static void adjustDialogSizeToFitPreferredSize(@NotNull DialogWrapper dialogWrapper) {
JRootPane rootPane = dialogWrapper.getRootPane();
+ if (rootPane == null) return;
Dimension componentSize = rootPane.getSize();
Dimension componentPreferredSize = rootPane.getPreferredSize();
if (componentPreferredSize.width <= componentSize.width && componentPreferredSize.height <= componentSize.height) {