Agora quando uso o comando npm run dev acontece o erro abaixo:
PS C:\Alura\Vue\alurapic> npm run dev
alurapic@1.0.0 dev C:\Alura\Vue\alurapic
cross-env NODE_ENV=development webpack-dev-server --open --hot
'cross-env' não é reconhecido como um comando internoou externo, um programa operável ou um arquivo em lotes.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! alurapic@1.0.0 dev: cross-env NODE_ENV=development webpack-dev-server --open --hot
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the alurapic@1.0.0 dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\claud\AppData\Roaming\npm-cache_logs\2020-07-11T14_18_25_696Z-debug.log