Challenge progress was reset


Earlier I cleared my cache to free up space and then I logged in to FCC and went to my latest uncompleted challenge and it had reset my progress for that algorithm challenge. There is a problem with uncompleted challenges, although they save and you can go back to them, if you clear the cache they are reset. I had written some pseudocode to look at later to help me solve the challenge, and it got cleared so it is a bit disappointing. Would be great if this could be fixed.