looks like there is an install issue. When I try to start NR I get
pi@testpi:/ $ node-red-start
Node-RED is not yet fully installed. Please re-run the install script again manually.
bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)
then retry node-red-start
pi@testpi:/ $