Technical Issue: I'm not able to submit my work to go to the next Challenge

Hello everyone!
Please, my exercises and lessons have remain not selected, it’s still showing 29% after moving on to the next challenge. What should I do?

Some learners that had issues completing certain tasks managed to solve it by switching browsers.

I ran intro this trouble before and resolved it by clearning my browser’s history, cache, and cookies

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freeCodeCamp has this note right after you clicked the course.


Thanks this worked out.

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Thanks for your contributions