The reason is that several Premier clubs have agreements with the company for the travel of their fans, and with bankruptcy many of the trips are in limbo.
Most of all, it has affected those clubs who play games in European competitions, on the continent, and some of them have already taken a first step out of this rut that they find themselves in.
It is the case of Chelsea, which has promised to facilitate the trip of its followers to Lille, where the 'blues' will play their next Champions match.