Merge pull request #46970 from jmb462/fix-crash-on-closing-empty-modified-scene

Fix crash on closing empty modified scene (Fix #46959)

editor/editor_node.cpp

@@ -2387,11 +2387,14 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 				_scene_tab_changed(tab_closing);
 
 				if (unsaved_cache || p_option == FILE_CLOSE_ALL_AND_QUIT || p_option == FILE_CLOSE_ALL_AND_RUN_PROJECT_MANAGER) {
-					String scene_filename = editor_data.get_edited_scene_root(tab_closing)->get_filename();
-					save_confirmation->get_ok_button()->set_text(TTR("Save & Close"));
-					save_confirmation->set_text(vformat(TTR("Save changes to '%s' before closing?"), scene_filename != "" ? scene_filename : "unsaved scene"));
-					save_confirmation->popup_centered();
-					break;
+					Node *scene_root = editor_data.get_edited_scene_root(tab_closing);
+					if (scene_root) {
+						String scene_filename = scene_root->get_filename();
+						save_confirmation->get_ok_button()->set_text(TTR("Save & Close"));
+						save_confirmation->set_text(vformat(TTR("Save changes to '%s' before closing?"), scene_filename != "" ? scene_filename : "unsaved scene"));
+						save_confirmation->popup_centered();
+						break;
+					}
 				}
 			} else if (p_option == FILE_CLOSE) {
 				tab_closing = editor_data.get_edited_scene();