i've figured it out!! after hours and hours of thinking, going over all the facts, endless calculations and detective work I've discovered that the culprit is.....
Eth!!!
I discovered that his endless amount of posts have used of all the space that Letsbeef is allowed to use, so the battle system is slowly but surely destroying itself to allow for the gigantic space needed for all of Eth's posts.
either that or it was Stephen........ cause he's a homo