Lego DC Super Villains Glitch

I've been stuck on the Poison Ivy level for 2 days because I can't get it to spawn the parts for the box. Ive tried all sorts of fixes, from leaving and editing my character, doing map content, replaying earlier missions, doing DLC missions, waiting hours in that level, to reinstalling the game. Nothing fizes it. I got the game on a good deal and have wanted to play it for years, and I'm loving it otherwise, but this issue is infuriating. Especially since it blocks me from progression so early on. Does anyone have ANY tips on things that actually make this level work?