Hi,
I have the same problem, and the current beta version seems to have fixed it.
The way to go around it is to not send events from a state that originates from the START event. you can use various technics to break the flow, but it really depends on why you are sending en event when starting. Maybe you can wait some triggers in your application, or implement a delayed event, or even try next frame Event action. Or maybe try to find a way to build your app so that it doesn't need this event being sent at Start.
Hopefully that will give you some hints to fix this.
Bye,
Jean