[Polished Crystal] Problem loading a trainer battle [SOLVED]

[PinkAmpharos]

Hi! I'm working on my rom hack with a custom story and I've gotten to the first Gym Leader.
Here's my code:

loadtrainer FALKNER, 1
winlosstext RancidWinLossText, 0
startbattle
reloadmapafterbattle

(I haven't updated the trainer class name yet)
Here's my problem:
After the battle transition shows up (the big red poke ball) and the screen goes black, the screen just
stays black. Any suggestions?

Thanks!

EDIT: My code is almost identical to the original in polishedcrystal-souranims, the only thing I changed was the ID of the win loss text
and the gym leader's party.