fix crash

PadelClubData/Data/Tournament.swift

@@ -1377,7 +1377,7 @@ defer {
         guard let tournamentStore = self.tournamentStore else { return }
 
         let teams = (0..<count).map { _ in
-            let team = TeamRegistration(tournament: id)
+            let team = TeamRegistration(tournament: id, registrationDate: Date())
             team.setWeight(from: [], inTournamentCategory: self.tournamentCategory)
             return team
         }