> shopnow@1.0.0 start F:\college_notes\nonaspnet\shopnow\client
> tsc && concurrently "tsc -w" "lite-server"

app/components/items/items.components.ts(40,33): error TS2339: Property '_id' does not exist on type 'Item'.

npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "sta
rt"
npm ERR! node v7.4.0
npm ERR! npm  v4.0.5
npm ERR! code ELIFECYCLE
npm ERR! shopnow@1.0.0 start: `tsc && concurrently "tsc -w" "lite-server" `
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the shopnow@1.0.0 start script 'tsc && concurrently "tsc -w" "lite-server" '.
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 shopnow package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     tsc && concurrently "tsc -w" "lite-server"
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs shopnow
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls shopnow
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     F:\college_notes\nonaspnet\shopnow\client\npm-debug.log
PS F:\college_notes\nonaspnet\shopnow\client>