Project cannot be served

[envil]

Here is the error log when I try to run ng serve:

Your global Angular CLI version (1.4.1) is greater than your local
version (1.1.0). The local Angular CLI version is used.

To disable this warning use "ng set --global warnings.versionMismatch=false".
** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200 **
Hash: 1e0775f7e521f6b60999
Time: 15851ms
chunk {0} polyfills.bundle.js, polyfills.bundle.js.map (polyfills) 193 kB {4} [initial] [rendered]
chunk {1} main.bundle.js, main.bundle.js.map (main) 11.5 kB {3} [initial] [rendered]
chunk {2} styles.bundle.js, styles.bundle.js.map (styles) 55.5 kB {4} [initial] [rendered]
chunk {3} vendor.bundle.js, vendor.bundle.js.map (vendor) 4.45 MB [initial] [rendered]
chunk {4} inline.bundle.js, inline.bundle.js.map (inline) 0 bytes [entry] [rendered]

WARNING in ./src/app/app.module.ts
33:12-26 "export 'MaterialModule' was not found in '@angular/material'

ERROR in /Users/vietta/Documents/lazyLoadingStore-master/src/app/app.module.ts (5,10): Module '"/Users/vietta/Documents/lazyLoadingStore-master/node_modules/@angular/material/material"' has no exported member 'MaterialModule'.

ERROR in /Users/vietta/Documents/lazyLoadingStore-master/src/app/mail-box/mail-box.module.ts (5,10): Module '"/Users/vietta/Documents/lazyLoadingStore-master/node_modules/@angular/material/material"' has no exported member 'MaterialModule'.

ERROR in MaterialModule is not an NgModule