During the game against Saint-Etienne, there was an injury to Neymar.
The French club have confirmed that the Brazilian will be out for up to eight weeks.
The 29-year-old Brazil international was carried off on a stretcher in the last few minutes of Sunday's 3-1 away victory at Saint-Etienne.
There will be seven matches and a tie for the player.
"The tests show that he suffered a left ankle injury," said the club.
The club said that a new update would be made in 72 hours.
In the domestic league, the Parisians are 12 points clear of Rennes, and they are guaranteed to finish second in the group and advance to the last 16.
The tournament will resume in February after Club Bruges plays Paris Saint-Germain at home on 7 December.
Georginio Wijnaldum is set to return to training this week after missing the game against Saint-Etienne with a knee injury.
He is not expected to play in the home match against Nice.
