Viewer not loading

[Vigneshjana]

Followed all the steps which you have mentioned in the repo but I am facing the below error.

[fourctv]

looks like you are not building the dicomviewer library before starting the demo app.
you need to run this at least once, to get the library ready:

npm install; npm run buildLib

Then you can start the viewer demo via:
npm start

[manoj4avalara]

I am also getting the same error , tried the steps as above :