Error openwrt own bild for tl-wr740n-v5 lede-imagebuilder-17.01.7

hello, i try to bild my first own bild with curl for tl-wr740n-v5 with openwrt lede 17.01.7 and have error

i have LUBUNTU

i have made:

sudo apt-get install subversion build-essential libncurses5-dev zlib1g-dev gawk git ccache gettext libssl-dev xsltproc zip

i have download:

i have make

git clone

then enter directory /source

then coming soon

what have i do wrong and how to fix the errors?