fcx18 lc80 rear ladder screw getting in the way

https://imgur.com/a/9Ot2knw

the screw for the rear ladder of the lc80 is too long and when i went to remove the body it scratched the a screw for the body but it came out eventually. however when i tried to put the body back together the screw for the body couldn’t go back in. I tried removing the ladder screw but its held in with a nut and i don’t have a small wrench or anything like that. anyone know an easy way to get it out?