We'll need more info. Possibly the code for the component with the states. Boil it down to a simple yet complete code sample so we can look at it.
I've not seen this problem myself but I did a quick search in adobe jira
and it looks like you'll get it if you have a file called states.mxml in
Could that be your problem?
Yup it sure was, just after I posted this I toguth "hmmm maybe its someting stupid like the name"
lo an behold it was
For those that don't have a login, the issue may simply be that you can't name your file states. so simply change it to something like myStates.mxml