And it'll be because Chris Grayling dialled the number wrong.
But I am GENUINELY scared that would make it happen now.
GRAYLING: Definitely
MAY: You know 100% that the Article 50 revocation fax was sent?
GRAYLING: Oh yes
MAY: Phew because it's 00:01
GRAYLING: I did it personally
MAY: Wait... what?!
<in Brussels>
JUNKER: What is this?
BARNIER: A picture of an envelope