how to fix?

on my layout, i click icon it opens a window and when i click join it goes to next layout, what i want to do is when i click the "Back" button it should go back to the layout it was on before. How do i do that?

Store the layout name in a global variable then use go to layout by name with the variable. You can also use go to next/previous layout but this is dependent on them being in the same order in the layouts list.

how do you store the layout in a global variable?

Set variable to ""&layoutname

i did that, every time i click back button, it takes me to the create character layout and not to the last layout i was on.

I don't know how can I add any more details. Store the layout name that you want to go to then go to the layout by name ""&variable when you click the button.

It seems to be working now,

I only have one tiny problem, when i click "Back" button it takes me back but it created another character like it duplicate the player.

how do i fix that?

You can have a global player (set to global in properties) that travels between layouts, that works as long as you don't have any players already in the layout.

I got it to stop making duplicates,

if i enter this layout by clicking join, it should put my character at that position on the map, and if i move around in that layout and i click back button, and when i click join again it should put my character back to that position, but now every time i click join it just puts my character where I left it.

You need to set up some kind of invisible entry sprite and set the player position to this on start of layout

it is working now :)

but if i click back it puts my character at that position now and not to where it was