Stack won't open after compile

[trenatos]

I have a mainstack with a few buttons on it, one of the opens another stack, it works fine in the editor, but when I compile it the button doesn't work any more.
I have *no* clue how to debug this, since it's working fine in the editor.

[trenatos]

Fixed it.

Figured it out after I closed and opened the editor again, the default state of the stack is closed, so I first needed to open it.

I swear I just spent a half-hour trying to debug this, and got it just after writing for help here..