final long numOfDeleted = searchEngineClient.deleteByQuery(index, queryBuilder);
                logger.info("[{}] Deleted {} stale documents.", dataConfig.getName(), numOfDeleted);
            } catch (final Exception e) {
                logger.error("[{}] Failed to delete stale documents.", dataConfig.getName(), e);
            }
        }

        /**

            try {
                webConfigService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
                logger.info("Deleted web config: {}", entity.getName());
            } catch (final Exception e) {
                logger.warn("Failed to delete web config: {}", form.name, e);

# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = 登入失敗。
errors.app.illegal.transition = 非法轉換，請重試。
errors.app.db.already.deleted = 可能已被其他程序刪除。請重試。
errors.app.db.already.updated = 可能已被其他程序更新。請重試。
errors.app.db.already.exists = 資料已存在。請重試。
errors.app.double.submit.request = 此請求可能已在之前處理。請重試。

# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = Inloggen mislukt.
errors.app.illegal.transition = Illegale overgang. Probeer het opnieuw.
errors.app.db.already.deleted = Mogelijk is het al verwijderd door een ander proces. Probeer de bewerking opnieuw.
errors.app.db.already.updated = Mogelijk is het al bijgewerkt door een ander proces. Probeer de bewerking opnieuw.

# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = Ошибка входа.
errors.app.illegal.transition = Недопустимый переход. Пожалуйста, попробуйте еще раз.
errors.app.db.already.deleted = Возможно, он был удален другим процессом. Пожалуйста, попробуйте еще раз.
errors.app.db.already.updated = Возможно, он был обновлен другим процессом. Пожалуйста, попробуйте еще раз.

                    logger.warn("Thumbnail file is empty: id={}", thumbnailId);
                    if (outputFile.delete()) {
                        logger.info("Deleted empty thumbnail file: {}", outputFile.getAbsolutePath());
                    }
                    updateThumbnailField(thumbnailId, StringUtil.EMPTY);
                    return false;
                }

                if (logger.isDebugEnabled()) {

# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = Login gagal.
errors.app.illegal.transition = Transisi tidak valid. Silakan coba lagi.
errors.app.db.already.deleted = Mungkin telah dihapus oleh proses lain. Silakan coba lagi.
errors.app.db.already.updated = Mungkin telah diperbarui oleh proses lain. Silakan coba lagi.
errors.app.db.already.exists = Data sudah ada. Silakan coba lagi.

    }

    /**
     * Deletes a document from the OpenSearch index by session ID and URL.
     *
     * @param sessionId The session ID of the document to delete.
     * @param url The URL of the document to delete.
     * @return true if the document was deleted, false otherwise.
     * @throws OpenSearchAccessException if the deletion fails.
     */
    protected boolean delete(final String sessionId, final String url) {

        userService.getUser(id).ifPresent(entity -> {
            try {
                userService.delete(entity);
                logger.info("Deleted user: {}", entity.getName());
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to delete user: {}", form.name, e);

# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = Accesso fallito.
errors.app.illegal.transition = Transizione illegale. Riprova.
errors.app.db.already.deleted = Potrebbe essere stato eliminato da un altro processo. Riprova l'operazione.
errors.app.db.already.updated = Potrebbe essere stato aggiornato da un altro processo. Riprova l'operazione.