Erro no npm start do client

Depois de instalar a parte do jquery, começou a dar o erro abaixo (Mac OS):

MBP-de-Orlando:client orlando$ npm start

> client@1.0.0 start /Users/orlando/Dropbox/Estudos/Angular2/alurapic-parte2/client
> npm run tsc:w


> client@1.0.0 tsc:w /Users/orlando/Dropbox/Estudos/Angular2/alurapic-parte2/client
> tsc -w

module.js:471
    throw err;
    ^

Error: Cannot find module '../lib/tsc.js'
    at Function.Module._resolveFilename (module.js:469:15)
    at Function.Module._load (module.js:417:25)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/orlando/Dropbox/Estudos/Angular2/alurapic-parte2/client/node_modules/.bin/tsc:2:1)
    at Module._compile (module.js:570:32)
    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)

npm ERR! Darwin 16.1.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "tsc:w"
npm ERR! node v6.9.1
npm ERR! npm  v3.10.8
npm ERR! code ELIFECYCLE
npm ERR! client@1.0.0 tsc:w: `tsc -w`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the client@1.0.0 tsc:w script 'tsc -w'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the client package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     tsc -w
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs client
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls client
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/orlando/Dropbox/Estudos/Angular2/alurapic-parte2/client/npm-debug.log

npm ERR! Darwin 16.1.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "start"
npm ERR! node v6.9.1
npm ERR! npm  v3.10.8
npm ERR! code ELIFECYCLE
npm ERR! client@1.0.0 start: `npm run tsc:w`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the client@1.0.0 start script 'npm run tsc:w'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the client package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     npm run tsc:w
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs client
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls client
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/orlando/Dropbox/Estudos/Angular2/alurapic-parte2/client/npm-debug.log
MBP-de-Orlando:client orlando$ tsc -v
Version 2.0.6
MBP-de-Orlando:client orlando$ npm -v
3.10.8
MBP-de-Orlando:client orlando$ node -v
v6.9.1