erro

[psycodeliccircus]

C:\Users\Renildo\Desktop\diep.io-clone-master\modules\world.js:72
builder = Protobuf.loadJsonFile("../www/" + Package.app.proto);
^

TypeError: Protobuf.loadJsonFile is not a function
at SWorld.World [as constructor] (C:\Users\Renildo\Desktop\diep.io-clone-master\modules\world.js:72:28)
at new SWorld (C:\Users\Renildo\Desktop\diep.io-clone-master\modules\sworld.js:52:11)
at Object. (C:\Users\Renildo\Desktop\diep.io-clone-master\app\server.js:3:13)
at Module._compile (internal/modules/cjs/loader.js:689:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
at Module.load (internal/modules/cjs/loader.js:599:32)
at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
at Function.Module._load (internal/modules/cjs/loader.js:530:3)
at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)
at startup (internal/bootstrap/node.js:283:19)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] postrelease: node app/server.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] postrelease script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Renildo\AppData\Roaming\npm-cache_logs\2019-05-14T10_43_15_045Z-debug.log