Barcelona has been banned from selling tickets to supporters for the next away game in the Champions League due to a fan banner which made a Nazi reference. The club must also pay a fine of €10,000 ($11.164), European football governing body UEFA said on Friday, adding it was due to “the racist behaviour” of supporters. The ticket ban comes into force for the match at Red Star Belgrade on November 6. The banner was displayed in the away block during the 2-1 defeat at Monaco last Thursday. It read ‘Flick heil’ in reference to ex-Germany coach Hansi Flick now being in charge of Barcelona. The sl…