I’ve try your advice peter… Empty all cache, but I still got that error… I don’t know what should I do… but next time I will try again… ^_^
Ah… thats it…!!! I think it’s just only me… so… many WP user encountered this problem too…
I also upload the screenshot…
http://i434.photobucket.com/albums/qq66/karnanda/error_zpsf66d2716.jpg
http://i434.photobucket.com/albums/qq66/karnanda/error2_zps822b1373.jpg
I hope in the next update dev can fix this…