Help: Errors building the bpmn-js modeler

Hello
I am following instructions on building the bpmn-js modeler example as shown in

When i try using the following command
‘grunt’

I get these errors

C:\web based clients\bpmn-io\bpmn-js-master\bpmn-js-master>grunt
Running “jshint:src” (jshint) task

49 files lint free.

Running “karma:single” (karma) task
ERROR [framework.browserify]: bundle error
ERROR [framework.browserify]: Error: Cannot find module 'diagram-js/lib/util/Lin
eIntersection’ from 'C:\web based clients\bpmn-io\bpmn-js-master\bpmn-js-master
lib\features\modeling\behavior’
INFO [karma]: Karma v0.12.36 server started at http://localhost:9876/
INFO [launcher]: Starting browser PhantomJS
INFO [PhantomJS 1.9.8 (Windows 7 0.0.0)]: Connected on socket 7bsiK4K8vSOaMhDp4W
Xs with id 56728425
PhantomJS 1.9.8 (Windows 7 0.0.0) ERROR
TEST RUN WAS CANCELLED because this file contains some errors:
C:/Users/ashevade/AppData/Local/Temp/43b687a99f3be9cbd6b7e1f7e386ff91.browse
rify
PhantomJS 1.9.8 (Windows 7 0.0.0): Executed 0 of 0 ERROR (0.006 secs / 0 secs)
Warning: Task “karma:single” failed. Use --force to continue.

Aborted due to warnings.

I am not sure what is wrong here or how to proceed.
Any help is appreciated

Thanks
Ani

HI
I think I did resolve this issue. by following the instructions , and cloning it from the github

thanks
Ani

Nice to hear you could fix it!