title: Overfull \hbox (1.38991pt too wide) in paragraph at lines, Latex warning even though PDF is getting generated
body: <p>This below latex code has warning saying <code>Overfull \hbox (1.38991pt too wide) in paragraph at lines</code>; pdf is getting generated without any issue, I am trying to find out where exactly I am making a mistake to see that warning.</p>
  <p>Latex code1:</p>
  <pre><code>\begin{document}
  \setbeamertemplate{caption}[numbered]
  \begin{frame}
  \titlepage
  \end{frame}
  </code></pre>
  <p>Latex code2:</p>
  <pre><code>%\section{Literature Review}%
  \begin{frame}{OBJECTIVE}
  \begin{table}[h!]
      \centering
     
      \begin{tabular}{ p{3cm}|p{7cm}}
       \hline
       \vspace{1pt}
      Title &amp; “CompaRob:The shopping cart assistance robot&quot;  \textit{’ Int. J. Distrib. Sensor Netw., vol. 12,no. 2, Feb. 2016, Art. no. 4781280.} \\
       \hline
       \vspace{6mm}
       Methodology &amp; 
       \begin{itemize}
           \item Radio and ultrasound signals
           \item Provide freedom of movements for elderly people
       \end{itemize}\\
       \hline
       \vspace{1pt}
      Demerit &amp; 
      \begin{itemize}
          \item  Not able to show how to find a product
         
      \end{itemize}\\
       \hline
      \end{tabular}
      \end{table}
  \end{frame} 
  
   
  </code></pre>