Forest complained about three incidents during 2-0 loss, highlighting VAR Stuart Atwell is a Luton fan.
Ten Hag said today: "You can't do that.
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"You can agree, you can disagree.
"The handball from Wan-Bissaka (against Coventry) is wrong, a mistake, but you can't question, so I will not do. It's not good for the game. We should respect the referee and this is no respect."