getting `Parameter must be an array or an object that implements Countable`

[rrubiorr81]

When clicking Yes, I Authorize This Request i get Warning: count(): Parameter must be an array or an object that implements Countable in /srv/vendor/bshaffer/oauth2-server-php/src/OAuth2/Server.php on line 478 in

https://brentertainment.com/oauth2/lockdin/authorize?client_id=demoapp&redirect_uri=http%3A%2F%2Fbrentertainment.com%2Foauth2%2Fclient%2Freceive_authcode&response_type=code&state=b43d72aa5fb8d4c70635ee1e9cce29e7