Intro to React.js Part 2, Mounting Lifecycle Methods, 4. render

[toddl]

https://www.codecademy.com/en/courses/react-102/lessons/mounting-lifecycle-methods/exercises/render-mounting

As you progress from 4/5 to 5/5, a dialog box appears with an error message. I reported the bug via the sidebar, but wanted to report it here also.

Just thought this was odd. Thanks.