Help L2Jquests Addition

Hello guys, well actually i've been trying or searching the way to add some quests.

What i was trying is to add all the quests from L2J ( quests folder ) into my pack anda fter that i copy/paste all the quests call to the scripts.cfg well the problem is that i start receiving a few errors, here is an example

" Error on: Location/data/scripts/quests/1_LettersOfLove1/__init__.py "

No Engine registered for extension (py)

PS: There is a way to add the engine ?

Thanks for your help.