Question with this error

[Genexix]

I recently install this script((broken link removed)) for my pokemon essentials 19.1 and this is the error when i mega evolution a pokemon :

Exception `NoMethodError' at 155:Battler_UseMove:531 - undefined method `pbEffectsAfterMove' for #<PokeBattle_Battler>
Exception `TypeError' at 014:Errors:52 - wrong argument type nil (expected Regexp)
Exception `TypeError' at 014:Errors:52 - wrong argument type nil (expected Regexp)
Exception `TypeError' at 014:Errors:52 - wrong argument type nil (expected Regexp)
014:Errors:52:in `sub!': wrong argument type nil (expected Regexp) (TypeError)
from 014:Errors:52:in `pbPrintException'
from 014:Errors:77:in `rescue in pbCriticalCode'
from 014:Errors:69:in `pbCriticalCode'
from 374:Main:18:in `mainFunction'
from 374:Main:47:in `block in <main>'
from 374:Main:46:in `loop'
from 374:Main:46:in `<main>'

PD:I have installed:
v19.1 Hotfixes
ZUD Plugin
LZUD Compatibilities