Nothing will play after buffering

[coleburg]

It buffers and then nothing happens, I have checked the log and I have loads of these

09:29:50.0870043 >>> W <<< DP_Player::seekToStartPos -> exception: 'DP_Player' object has no attribute 'session' 09:29:50.0876113 >>> C <<< DP_Player::seekToStartPos -> <<<<<<<<<< 09:29:51.0881657 >>> S <<< DP_Player::seekToStartPos -> >>>>>>>>>> 09:29:51.0903788 >>> W <<< DP_Player::seekToStartPos -> exception: 'DP_Player' object has no attribute 'session' 09:29:51.0908761 >>> C <<< DP_Player::seekToStartPos -> <<<<<<<<<<

please help

thanks