Just restart your box and try some channel from active portal.
No need to reload portals again, just start some channel
Thank you for your answer balkanac,
Same Portal working in MultiStalker but Stalker-IP Audio not working.(Stalker-IP Audio also shows the channel list, when ok it gives an unhandeled execptions error) my device is using python2 opticum 9500HD(sh4),Openvision 7.6-r320 image.