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I get this error :c 

Scene: Scene_Map
Map ID: 5
Event ID: 43
Event Page: 1
Last Event Command: 205
Params: [0,5,15,20,0,0]
Name: undefined
Message: Uncaught TypeError: Cannot read property 'scrollType' of null
Filename: chrome-extension://odlameecjipmbmbejkplpemijjgpljce/www/js/rpg_objects.js
Stack: undefined

Hello. Well, I have downloaded the game, but in my files, I can´t find the executable file. I don't know how to play it.