Sadly I have not! I even went back yesterday to fix all possible warnings that Game Maker showed with the code, and still nothing. Have you been encountering it too?
Unfortunately, I haven't been able to identify the error yet. What I have "gathered" so far from conversations with others or from forum posts (though I'm far from certain about this) is that it MIGHT be related to some structs or caused by a variable assignment in other objects before the object was even created. However, I'm not entirely sure.