What I read (between the lines, since the actual lines don't fucking explain):
- they were getting divorced anyway (both the husband and wife have different teams of lawyers)
- someone at the wife's law firm clicked basically "ok let's call this marriage done" in some online portal
- the husbands lawyers didn't see anything wrong with that
- the judge said "okey dokey, you're divorced"
- the wife's lawyers said "wait! No! We want to undo that"
- the judge said basically that the court had followed the procedures it was supposed to, and if the wife was angry, she should file against her law firm
My inference is: very wealthy couple getting a divorce, arguing over how much she should get. Her law firm accidentally said "ok we're satisfied close this case" and his lawyers instantly agree.
So yeah, her law firm is upset because now not only are they not getting a fat % of the overly optimistic alimony they probably claimed they could get for her, they absolutely are legally exposed to get sued for that full amount themselves.
The hilarious result would be if his law firm helps her sue them. Even funnier if he pays for it.