When i was try implement angular ui-grid, I am geeting this error. some help me to sort this problem.

When i was try implement angular ui-grid, I am geeting this error. some help me to sort this problem.

My first guess:
To import css you should use this line:
<link rel="stylesheet" href="styles/ui-grid-unstable.min.css" />
in your index.html.
I guess you import it as Javascript which will not work.