Help crash when entering battle

[kurgan]

My daughter is getting a rather nasty crash when entering a battle heres the text:

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Pokemon Uranium
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Exception: RuntimeError

Message: Script error within event 103, map 33 (Route 01):

Exception: RuntimeError

Message: Section253:193:in `pbStartBattleCore'Player has no unfainted Pokémon

***Full script:

pbTrainerBattle(PBTrainers::LASS,"Lynette",_I("Anyone can be a Trainer, but some people definitely seem more suited for it than others, don't you think?"),false,0,false,0)

Interpreter:243:in `pbExecuteScript'

* PokeBattle_Battle:2707:in `pbStartBattle'

PTrainer_NPCTrainers:500:in `pbTrainerBattle'

PTrainer_NPCTrainers:499:in `pbSceneStandby'

PTrainer_NPCTrainers:501:in `pbTrainerBattle'

PTrainer_NPCTrainers:498:in `pbBattleAnimation'

PTrainer_NPCTrainers:498:in `pbTrainerBattle'

(eval):1:in `pbExecuteScript'

Interpreter:788:in `eval'

Interpreter:243:in `pbExecuteScript'



Interpreter:276:in `pbExecuteScript'

Interpreter:788:in `command_111'

Interpreter:320:in `execute_command'

Interpreter:193:in `update'

Interpreter:106:in `loop'

Interpreter:198:in `update'

* Scene_Map:103:in `update'

* Scene_Map:101:in `loop'

* Scene_Map:139:in `update'

Debug Passability:275:in `main'



This exception was logged in 

C:\Users\sja\Saved Games/Pokemon Uranium/errorlog.txt.

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OK   
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