Flight from Barcelona-Girona to Bratislava . 2019 RYANAIR disappeared

Our flight disappeared from radars while flying over Austria. Control tower was unable to comunicate with our plane. We were flying from Barcelona - Girona to Bratislava, via Ryanair. Aircraft : Boeing 737-8AS. Austrian armed forces sent 2 Eurofighter Typhoons to chceck on our flight. Cabin crew was silent. During this flight no information about this encounter was given to passengers.