ERROR: install is not COMMAND nor fully qualified CLASSNAME

[moshebeeri]

• [v ] I understand that GitHub issues are not for tech support, but for questions specific to this generator, bug reports, and feature requests.

Item	Version
generator-angular-fullstack	5.0.0-rc.4
Node	v10.15.0
npm	6.4.1
Operating System	OS X 10

create server/api/thing/index.js
create server/api/thing/index.spec.js
ERROR: install is not COMMAND nor fully qualified CLASSNAME.
Usage: yarn [OPTIONS] SUBCOMMAND [SUBCOMMAND OPTIONS]
or yarn [OPTIONS] CLASSNAME [CLASSNAME OPTIONS]
where CLASSNAME is a user-provided Java class

[albert-92]

Try to reinstall your node.js + npm/yarn. Maybe it'll solve the issue.

[bmaddy]

I know this is an old issue, but in case anyone else runs into this, I bumped into this problem because I had Hadoop's yarn command installed. See yarnpkg/yarn#673.