They may have decided that they don't have any more invitations and that if they don't answer maybe this will go away.

The situation I am in is if I don't go I am an ass and if I go I am an ass. So I convinced my sister to call this women and ask WTF is going. Even if they are out of invites they should buy a couple of generic and re issue. I don't think that there is an issue of whether they were invited or not but ... well trainwreck