Error con el script SJ Battle

[Kohaku]

Resulta que cuando ataco a un pokémon de entrenador me sale esto:
---------------------------
Pokémon Connected
---------------------------
Excepción: ArgumentError

Mensaje: comparison of Fixnum with nil failed

PokeBattle_AI:4136:in `>='

PokeBattle_AI:4136:in `pbEnemyShouldWithdrawEx?'

PokeBattle_AI:4101:in `pbEnemyShouldWithdraw?'

PokeBattle_AI:4312:in `pbDefaultChooseEnemyCommand'

PokeBattle_Scene:2779:in `pbChooseEnemyCommand'

PokeBattle_Battle:2649:in `pbCommandPhase_ebs'

PokeBattle_Battle:2644:in `each'

PokeBattle_Battle:2644:in `pbCommandPhase_ebs'

EliteBattle_Battle:294:in `pbCommandPhase'

EliteBattle_Battle:224:in `pbStartBattleCore'



Esta excepción ha sido registrada en

C:\Users\Dani\Saved Games/Pokémon Connected/errorlog.txt.

Presiona Ctrl+C para copiar este mensaje al portapapeles.
---------------------------
Aceptar
---------------------------

Me deja seguir peleando y contra pokémon salvajes no me ocurre.