The blunder occurred as Vakatawa casually jogged into the in-goal, failing to put the ball down quickly as Toulon winger Gabin Villiere snuck up behind him.
Virimi Vakatawa has become one the world's best players in recent times and his Racing contract situation has opened the door to a Premiership offer.
Not since February 2018 has the name of Virimi Vakatawa featured on a France teamsheet, but the Fijian-born Racing winger has been called into their World Cup squad to replace the injured Geoffrey Doumayrou.
France centre Virimi Vakatawa muscled over the line to break open an absorbing clash which saw his side beat a spirited but ultimately toothless Scotland 22-15 at Murrayfield to top Group B of the Autumn Nations Cup.
Some of the world's top midfielders have failed to make it to the final round of a global fan-voted campaign to determine the best outside centre on the planet.
Fabien Galthie’s men claimed a vital victory thanks to Virimi Vakatawa’s try and 17 points from the boot of Thomas Ramos.
Jamie Roberts spent two seasons at Racing and he has vivid memories of players like Virimi Vakatawa ahead of Saturday's Champions Cup final.
Virimi Vakatawa of Racing is one contender with eye-catching Champions Cup statistics in the European player of the year award shortlist.