[I love Warframe, but here are the top 10 things I don't.]

23 hours ago, (PS4)Oracle-Raven said:

Hell, sometimes they don't even work when you complete them. I've encountered numerous situations where hacking a console wouldn't let me complete the Hacker challenge, or when picking up a mod wouldn't complete the "Treasure Hunter: Find 1 mod" challenge.

This seems to be a host issue. When I play solo I can complete those no problem as soon as I do the thing, I've seen other people saying the same