m.Renderer is not a constructor

I am getting the following error when adding the marked="<data>" attribute to my HTML tags.

`m.Renderer is not a constructor`

Am I missing a dependancy or something?

<img width="302" alt="screen shot 2018-05-11 at 06 26 45" src="https://user-images.githubusercontent.com/5682689/39908156-bd60ddae-54e4-11e8-9014-5a3cece8234e.png">
