The UI builder shows the error "No URL and/or Screen" on opening a screen.Issue While opening a screen in UI builder, an error 'No URL and/or Screen' occurred, and no content was visible. ReleaseAllCauseThe page definition field in the sys_ux_screen records was empty, causing the UI builder to fail rendering content. This was confirmed by reviewing the sys_ux_screen records.ResolutionSet a value in the Page definition field for the affected sys_ux_screen records, as the page definition was empty. Example records: