My C15 Sooloos system can't recognise my Napster account been in touch with Napster who say they are aware but wondered anyone else having same problem?

Control:15, QNAP, DSP5200SE, 818v.3,Panasonic 55" TV, Panasonic bluray player, Stax SR 009 Earspeaker System, , 27" iMac, iPads Mini & Air, iPod touch.