I get a error when trying to run the project

[travbus]

I cloned the project
npm install
npm run dev

ERROR in ./demo/src/main.vue?vue&type=script&lang=js& (./node_modules/babel-loader/lib!./node_modules/vue-loader/lib??vue-loader-options!./demo/src/main.vue?vue&type=script&lang=js&)
Module not found: Error: Can't resolve 'vue-web-cam' in '/Users/travisklein/Dropbox/vueApps/vue-web-cam/demo/src'
@ ./demo/src/main.vue?vue&type=script&lang=js& (./node_modules/babel-loader/lib!./node_modules/vue-loader/lib??vue-loader-options!./demo/src/main.vue?vue&type=script&lang=js&) 51:0-37 55:19-25
@ ./demo/src/main.vue?vue&type=script&lang=js&
@ ./demo/src/main.vue
@ ./demo/src/main.js