"Wilder, who was seen to approach Oliver at the interval, added: "Seven cameras haven't picked it up - the most technical league in the world - everything we see at every angle and it hasn't seen a goal.
"We went to Tottenham last year, John Lundstram's big toe was offside and I was hanging around in the pouring rain for 10 minutes waiting for a decision. I don't understand why I can't wait 10 minutes in Birmingham.
"The statement has come out and it is unprecedented, unbelievable."