kodi 17.1 stalker 2.8.3 authentication failed retrying

Hello all i set up another android box but with kodi 17.1 stalker client 2.8.3 and keep getting a “authentication failed retrying” messg , i tried new urls ,iptv reset , reset kodi ,unplug box , but my other boxes with kodi 16 are working fine with same new url…could there be a conflict with kodi 17.1 ?