I have the same problem https://github.com/angular/angular-cli/issues/5684

[Igor1992]

package.json "ng-material-treetable" version is "0.4.1"

[mmirzaeyan]

i have the same problem and the version i s "^0.5.1"

[mlrv]

Thanks for reporting this. I'll investigate as soon as I get some free time

[Stromwerk]

Isn't this related to #17 ?

[TnCoders]

Are you sure it's Fixed cause i'm using "ng-material-treetable": "^0.5.3",
and i got the exact same error:

core.js:9110 ERROR Error: Uncaught (in promise): Error: BrowserModule has already been loaded. If you need access to common directives such as NgIf and NgFor from a lazy loaded module, import CommonModule instead.