What should i do, there is a notification:
You appear to be using a browser extension that is modifying the page. Be sure to turn off all browser extensions.
If you have a question about a specific challenge as it relates to your written code for that challenge and need some help, click the Help button located on the challenge. This button only appears if you have tried to submit an answer at least three times.
The Help button will create a new topic with all code you have written and include a link to the challenge also. You will still be able to ask any questions in the post before submitting it to the forum.
Thank you.
As an aside, if you’re using the mobile app, skip to the next challenge.