This is why you don't wait until the last day to file something. Because you might be reading the statute wrong. Even if you -- and the trial court -- are pretty confident you're right.
I know we're all busy. Really busy. But, in most cases, there's no reason to wait until the last day to file something. Particularly when you're dealing with claims deadlines and the like.
Particularly when, as here, you're talking about a deadline that's six months long, and especially when (as here) it's a real case, waiting until the last minute can do some serious harm.
As the plaintiff here -- and her counsel -- discovered. Undoubtedly to their dismay.