Legen Town Dojo Game Crash

I tried exiting out of the screen where you chose which pokemon you want to "make buff" in the training place in Legen Town. Then the game crashed and it said this:

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Pokemon Uranium
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Exception: RuntimeError

Message: Script error within event 31, map 167 (Legen Town):

Exception: TypeError

Message: (eval):2:in `*'nil can't be coerced into Fixnum

***Full script:

score = pbPunchBag(10)
score = (2*score/5).floor
poke=pbGetPokemon(1)
if score+pbGetTotalEV(poke) >= 510
score -= score+pbGetTotalEV(poke)-510
end
poke.ev[pbGet(2)]+=score
poke.ev[pbGet(2)]=252 if poke.ev[pbGet(2)]>252
poke.calcStats
stat=["HP","Attack","Defense","Speed","Special Attack","Special Defense"]
$game_variables[4]=stat[pbGet(2)]
$game_variables[1]=score
pbCallBub(2,0,2)


Interpreter:243:in `pbExecuteScript'

(eval):2:in `pbExecuteScript'

Interpreter:1600:in `eval'

Interpreter:243:in `pbExecuteScript'

Interpreter:1600:in `command_355'

Interpreter:494:in `execute_command'

Interpreter:193:in `update'

Interpreter:106:in `loop'

Interpreter:198:in `update'

* Scene_Map:103:in `update'



Interpreter:276:in `pbExecuteScript'

Interpreter:1600:in `command_355'

Interpreter:494: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'

* Scene_Map:68:in `main'



This exception was logged in

C:\Users\Ezra (is awesome)\Saved Games/Pokemon Uranium/errorlog.txt.

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OK
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