code: public static String getGalleryNotFoundKey(String gallery) {
  
          StringBuffer sb = new StringBuffer(ERROR_REASON_NO_PREFIX);
          sb.append(gallery.toUpperCase());
          sb.append(GUI_TITLE_POSTFIX);
          return sb.toString();
      }
docs: Convert gallery name to not found error  key.
  @param gallery gallery name for example "downloadgallery"
  @return key as string "ERR_REASON_NO_DOWNLOADGALLERY_0"