function getErrorImage() {
  // eslint-disable-next-line max-len
  const errorUrl = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mM8w8DwHwAEOQHNmnaaOAAAAABJRU5ErkJggg==';

  return NSImage.alloc().initWithContentsOfURL(NSURL.URLWithString(errorUrl));
}
@returns {NSImage} big red rectangle - our error image