NRL referees boss Tony Archer admits the bunker erred in failing to overturn Josh Jackson's crucial try in the Sydney Roosters' four-point NRL loss to Canterbury last Thursday.
Roosters coach Trent Robinson was livid post-game that the bunker stuck by the on-field decision of try, saying Bulldogs hooker Michael Lichaa illegally prevented Aidan Guerra from grounding the ball.
"After reviewing it, I'm of the opinion that once Michael Lichaa touches the hand of Guerra, he's impeded him, so subsequently it should've been overturned," Archer told the NRL website.
Robinson unloaded on the video officials in the post-match press conference for the second time this year, saying more questions needed to be asked of the bunker.
He said he couldn't understand how the bunker made yet another error.
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"If you are going to spend that money, if you are going to have those camera angles, then get it right," he said post-game.
Robinson said there was no point in calling Archer this week to simply receive an apology.
"Some guy sits in a box and doesn't see Aidan Guerra's hand pushed, it is an illegal play, you just can't get that stuff wrong, not with the promises that got made with this bunker," he said.
Archer also said his on-field officials were wrong in penalising Cronulla captain Paul Gallen for a double movement in their win over Parramatta.
An NRL spokesperson told AAP Robinson's comments were still under review, but it is understood the Roosters coach isn't likely to face sanction.
Robinson was fined $40,000 earlier this year after attacking the credibility of referee Ben Cummins in an explosive aftermath to their Anzac Day loss to St George Illawarra.
