code: private final void replyErrors(final String errorMessage,
              final String stackTrace, final String statusCode,
              final int statusCodeInt) {
          reply(true, errorMessage, stackTrace, statusCode, statusCodeInt,
                  PcConstants.NA, null);
  
      }
docs: Reply used in error cases. set the response header as null.
  
  @param errorMessage the error message
  @param stackTrace the stack trace
  @param statusCode the status code
  @param statusCodeInt the status code int