Error with double battle

Hello everybody, i have this error when i start the double battle.

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Pokemon Essentials v16
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Excepci?n: RuntimeError

Mensaje: Script error within event 25, map 15 (Santuary):

Exception: NameError

Message: Section186:113:in `pbStartBattleCore'undefined local variable or method `name1' for #<PokeBattle_Battle:0xb0d9000>

***Full script:

pbDoubleTrainerBattle(PBTrainers::TRAINER,"Valerie",0,_I("I can?t believe it, i lose"),PBTrainers::TRAINER,"Nathan",0,_I("I lost"))

Interpreter:243:in `pbExecuteScript'

PokeBattle_Battle:2485:in `pbStartBattle'

PTrainer_NPCTrainers:447:in `pbDoubleTrainerBattle'

PTrainer_NPCTrainers:446:in `pbSceneStandby'

PTrainer_NPCTrainers:448:in `pbDoubleTrainerBattle'

PTrainer_NPCTrainers:445:in `pbBattleAnimation'

PTrainer_NPCTrainers:445:in `pbDoubleTrainerBattle'

(eval):1:in `pbExecuteScript'

Interpreter:794:in `eval'

Interpreter:243:in `pbExecuteScript'



Interpreter:276:in `pbExecuteScript'

Interpreter:794: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:114:in `update'

Scene_Map:68:in `main'

The trainer type and trainer name are good so i dont know what is the problem.