World Rugby’s admission that match officials made several incorrect decisions against Ireland in their defeat to Japan has led Joe Schmidt to urge his players to be cautious.

Ireland coach Joe Schmidt has received confirmation from World Rugby that three penalties awarded to Japan during Saturday's shock 19-12 defeat to the host nation in Shizuoka were “incorrect calls” by Australian referee Angus Gardner and his match officials.

Ireland won’t make any knee-jerk decisions following their shock World Cup defeat to Japan as the camp looks to quickly get their Pool A campaign back on track following the mother of all rugby upsets.

Joey Carbery admitted Ireland “let ourselves down” as they succumbed to one of the biggest shocks in World Cup history, losing 19-12 to hosts Japan on Saturday.