Rpg Maker Developers Group

First of all, Hi everyone!!!

I'm French so my english might no be perfect, just hope i'll make myself clear enough for you to help me with my tiny little problem.

Here's the thing, I put some events on a map and everything seems to work just fine when I set the starting position on that map.
The problem is that it looks totally broken when I transfer the player to that map from another, some events are not launching at all and others seems broken and don't work till the end.

I just don't understand why they would work with the starting position and not with the transfer

Hope these screens will help
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Screen 1 : few settings for the map and I set the switch ON
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Screen 2 : This is what I used to trigger 3 different events at the same time (I just change the image on page 2 and 3 so i didn't screened it)

Sooooo tell me if i'm blind, dumb or maybe both