I can't studying because when I click to check system error . Who knows what happened?

Tell us what’s happening:
Describe your issue in detail here.
B57F4613-401F-49DE-8CB8-C89D571D3B08_4_5005_c

Your code so far


<h1>Hello World</h1>

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Safari/605.1.15

Challenge: Headline with the h2 Element

Link to the challenge:

your test is for the h2 elements.
the elements are what are inside of your tags ( <> </>)
Add your h2 elements within tags. <h2> </h2>like the h1 elements<h1> </h1>Then fill in your CatPhotoApp I think it was.
How they filled in <h1>Hello world</h1>
<h2>***********</h2> yah dig
Hope this was helpful. :+1:

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