Yes you can host locally, can you update to https://github.com/designcreateplay/NodeBB/commit/18075b85c7642bd19e63cd8c57ac2e845f35e878 and try again let me know what error message you get. Thanks.
@xCausxn Hm, very weird! It should've been installed right at the beginning. Will have to look into this. It should be present in package.json from the start...