Add-ons causing game to crash

I spent a long time making an add-on for pocket/windows 10 edition, and decided to make a cool world to go with it. The issue is, the game crashes almost two minutes after I go into it. I'm not doing anything except innocently building a couple quarts structures with a little bit of redstone (on a superflat) and I have played multiplayer, but the multiplayer has no bearing on it as it crashes anyway. I think it might be the add-on, but that doesn't make sense because all my other add-ons are fine and the game didn't crash when I was testing this add-on.