Can't build the source 0.15.0

Hi all
I have download the source code 0.15.0, but when I build the source as default, I got some error, I have searched but no clues, could someone please give some help

it gives two errors,
Error: Cannot find module ‘./lib/whet.extend’
wled00/wled_server.cpp:3:21: fatal error: html_ui.h: No such file or directory
details as attached
errorlog.txt (63.9 KB)