Error cant upgrade NodeBB

[kenygamer]

I followed the tutorial on the docs for version 0.8.x as it is the latest. and it returns the following log when doing ./nodebb upgradeitalicised text

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: bufferutil@1.1.0 install: `node-gyp rebuild`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: utf-8-validate@1.1.0 (node_modules/socket.io-client/node_modules/engine.io-client/node_modules/ws/node_modules/utf-8-validate):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: utf-8-validate@1.1.0 install: `node-gyp rebuild`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: bufferutil@1.1.0 (node_modules/socket.io/node_modules/engine.io/node_modules/ws/node_modules/bufferutil):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: bufferutil@1.1.0 install: `node-gyp rebuild`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: utf-8-validate@1.1.0 (node_modules/socket.io/node_modules/engine.io/node_modules/ws/node_modules/utf-8-validate):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: utf-8-validate@1.1.0 install: `node-gyp rebuild`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1
npm ERR! Linux 2.6.32-042stab120.11
npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "i" "--production"
npm ERR! node v6.11.4
npm ERR! npm  v3.10.10
npm ERR! code ELIFECYCLE

npm ERR! lwip@0.0.7 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the lwip@0.0.7 install script 'node-gyp rebuild'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the lwip package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-gyp rebuild
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs lwip
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls lwip
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /home/nodebb_4567/npm-debug.log

[julian]

The docs are at docs.nodebb.org. Try again. v0.8.x is very old and unsupported

[kenygamer]

@julian What is the latest version then?

[julian]

v1.6.1 is the latest.