\begin{center}
  \textbf{Change record}\vspace{0.5cm}
  
%   \tablehead{\hline
%     \multicolumn{1}{|c|}{Issue/Rev.} &
%     \multicolumn{1}{|c|}{Date} &
%     \multicolumn{1}{|c|}{Section/Parag.\ affected} &
%     \multicolumn{1}{|c|}{Reason/Initiation/Documents/Remarks} \\
%     \hline}
%   \tabletail{\hline}
  \setlength\LTleft{0pt}
  \setlength\LTright{0pt}
  \begin{longtable}{@{\extracolsep{\fill}}|c|c|c|c|@{}}
  \hline Issue/Rev. & Date & Affected Section & Reason/Initiation/Documents/Remarks\endhead 
  \hline
   0.1 & 20/02/2021 & All & Initial document \\
   \hline
  \end{longtable}
\end{center}