E:\Bot>node --harmony .
E:\Bot\node_modules\discord.js-commando\src\client.js:97
        async setProvider(provider) {
              ^^^^^^^^^^^
SyntaxError: Unexpected identifier
    at Object.exports.runInThisContext (vm.js:76:16)
    at Module._compile (module.js:542:28)
    at Object.Module._extensions..js (module.js:579:10)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)
    at Function.Module._load (module.js:438:3)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (E:\Bot\node_modules\discord.js-commando\src\index.js:4:10)
    at Module._compile (module.js:570:32)
    at Object.Module._extensions..js (module.js:579:10)

I write as it was on video