Userfrosting Homestead installation failed at Composer Plugin installation step

Below is the log - any help would be greatly appreciated!

userfrosting: using --force
userfrosting:  I sure hope you know what you are doing.
userfrosting: /usr/local/bin/n -> /usr/local/lib/node_modules/n/bin/n
userfrosting: + [email protected]
userfrosting: added 1 package from 4 contributors in 0.43s
userfrosting:    installed : v12.18.1 (with npm 6.14.5)
userfrosting: Do not run Composer as root/super user! See https://getcomposer.org/root for details
userfrosting: Loading composer repositories with package information
userfrosting: Updating dependencies (including require-dev)
userfrosting: Package operations: 72 installs, 0 updates, 0 removals
userfrosting:   - Installing composer/installers (v1.9.0):
userfrosting: Loading from cache
userfrosting: Plugin installation failed (Plugin composer/installers could not be initialized, class not found: Composer\Installers\Plugin), rolling back
userfrosting:   - Removing composer/installers (v1.9.0)
userfrosting:                                                                                     
userfrosting:   [RuntimeException]                                                                
userfrosting:   Could not delete /home/vagrant/userfrosting/app/vendor/composer/installers/src/Composer:
userfrosting:                                                                                     
userfrosting: install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [--no-suggest] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--ignore-platform-reqs] [--] [<packages>]...
userfrosting: ERROR :: File `/home/vagrant/userfrosting/app/vendor/autoload.php` not found. This indicate that composer has not yet been run on this install. Install composer and run `composer install` from the project root directory. Check the documentation for more details.
userfrosting: ERROR :: File `/home/vagrant/userfrosting/app/vendor/autoload.php` not found. This indicate that composer has not yet been run on this install. Install composer and run `composer install` from the project root directory. Check the documentation for more details.
userfrosting: ERROR :: File `/home/vagrant/userfrosting/app/vendor/autoload.php` not found. This indicate that composer has not yet been run on this install. Install composer and run `composer install` from the project root directory. Check the documentation for more details.
userfrosting: ERROR :: File `/home/vagrant/userfrosting/app/vendor/autoload.php` not found. This indicate that composer has not yet been run on this install. Install composer and run `composer install` from the project root directory. Check the documentation for more details.
userfrosting:
userfrosting:
userfrosting: UserFrosting is ready at http://192.168.10.10/

What happens if you login to the box using ssh and run composer again from there ?

Composer could not find a composer.json file in /home/vagrant

I’m sure this is childs-play once I get my head around how vagrant/homestead works but right now I’m struggling to even get going with it.