The Bot in east now bid 3♦, and that seems to be an error in the bidding database.
I was tempted in South to make a penalty double, but decided to pass, and the contract made after the obvious ♠-lead
But some players (about 25% of the field) decided to double in my position:
Note the explanation is 4+♦, but 5+♥ :-)
The same fate happened to the players competing in 3♠