Rover supergraph compose - no output

Hi,

Just started playing with the rover CLI. Following the docs The Rover CLI - Apollo GraphQL Docs to compose a supergraph, runs with no errors but no output on stdout or file (file is created but empty).

I tried to force an error, 1. pointing to a non-existent config file, 2. corrupting the config file. Neither produces any error, so difficult to debug.

Anyone come across this?

Kind regards,
Kye

I tried to install the rover dependency again npm install -g @apollo/rover and it works now.

Not sure why, but maybe this would help someone.