throwValidationError(messages -> messages.addErrorsFailedToReadRequestFile(GLOBAL, e.getMessage()),
                    () -> asListHtml(this::saveToken));
        }

        final CurlRequest curlRequest = getCurlRequest(header);
        if (curlRequest == null) {
            final String msg = header;
            throwValidationError(messages -> messages.addErrorsInvalidHeaderForRequestFile(GLOBAL, msg), () -> asListHtml(this::saveToken));