railsをherokuにあげる時にエラーが表示される

Question

railsでアプリを作りherokuにアップしたのですが、以下のコマンドを打つと以下のようなエラーが表示されます。
調べてみましたがお手上げ状態で困っています。
教えていただけないでしょうか。

heroku pg:reset DATABASE

(node:17119) Error Plugin: @oclif/plugin-legacy: files attribute must be specified in /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-legacy/package.json
module: @oclif/config@1.10.4
plugin: @oclif/plugin-legacy
root: /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-legacy
See more details with DEBUG=*
(node:17119) Error Plugin: @oclif/plugin-not-found: files attribute must be specified in /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-not-found/package.json
module: @oclif/config@1.10.4
plugin: @oclif/plugin-not-found
root: /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-not-found
See more details with DEBUG=*
(node:17119) Error Plugin: @oclif/plugin-plugins: files attribute must be specified in /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-plugins/package.json
module: @oclif/config@1.10.4
plugin: @oclif/plugin-plugins
root: /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-plugins
See more details with DEBUG=*
(node:17119) Error Plugin: @oclif/plugin-update: files attribute must be specified in /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-update/package.json
module: @oclif/config@1.10.4
plugin: @oclif/plugin-update
root: /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-update
See more details with DEBUG=*
(node:17119) Error Plugin: @oclif/plugin-warn-if-update-available: files attribute must be specified in /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-warn-if-update-available/package.json
module: @oclif/config@1.10.4
plugin: @oclif/plugin-warn-if-update-available
root: /home/ec2-user/.nvm/versions/node/v6.15.0/lib/node_modules/heroku-cli/node_modules/@oclif/plugin-warn-if-update-available
See more details with DEBUG=*
 ›   Warning: heroku-cli update available from 7.0.9 to 7.19.4
 ▸    WARNING: Destructive action
 ▸    postgresql-rugged-58429 will lose all of its data