报错 Missing number, treated as zero. 和 Undefined control sequence.

按照elsevier模板写的，表格总是报错，求教应该如何修改。

\documentclass[review]{elsarticle}

\usepackage{lineno,hyperref}

\modulolinenumbers[5]

\usepackage{amssymb}

\usepackage{graphicx}

\journal{Journal of \LaTeX\ Templates}

\bibliographystyle{elsarticle-num}

\begin{document}

\begin{table*}

\caption{Key input variables and DCF main values of Scheme 1}

\begin{tabular*}{\tblwidth}{@{} lll@{} }

\toprule

Variables         &  Values          &  Definition/resource\\

\midrule

CapEx-MGO &  0                  &  Initial investment using MGO\\ 

Price-MGO &  \$570/ton    & Using the average price of MGO (Singapore)\\

Usage-MGO & 40 000 tons  & MGO annual usage\\

Discount rate &11\%              & Weighted average cost of capital(WACC) is the company's weighted cost of capital, including all sources of capital: equity and debt. It represents the discount rate of estimated cash flows (Block, 2011; Bennouna et al., 2010).

\bottomrule

\end{tabular*}

\end{table*}

\end{document}