Working on a new CentOS 7 server, Node wasn't installed.  You can quickly this through using the prompt node -v node not foundIn Plesk, the extension had been installed, however this doesn't mean correctly.  So I needed to install Node and npm on the CentOS 7 server.   Installing nodejs and npm To get the curl for v14 go to https://github.com/nodesource/distributions#rpminstall and you'll see that the most suited is  # As root curl -sL...