Page is not breaking using long table

I am using a longtable environment to put list of projects in overleaf. When it comes to the longtable, the page is not breaking and I cannot find the issue. Any help appreciated.

 % Define the 'projects' environment
newenvironment{projects}{%
  begin{longtable}{l}
}{%
  end{longtable}
}

% Define the 'project' entry in the 'projects' environment
% Usage:
% project
%   {<Project name>}{<dates>}
%   {<link1> <link2>}
%   {<Project description>}
%   {<techno1>,<techno2>}
newcommandproject[5]{
  begin{minipage}[t]{dimexpr(linewidth) - 1.5em}
    textbf{textsc{#1}} hfill textsc{#2}smallskip
   % #3
    #3smallskip
    footnotesize{foreach n in {#4}{cvtag{n}}}
  end{minipage}
  *
}