Ikaruga problem

[IDD]

Well guys

I have successfully burned Ikaruga with discjuggler 4
But...
When i beat the 3rd boss, after the stage results, the cd stop then i have got a black screen with a message on the top left corner saying "disc read error" and there's 2 line in japanese on the center...

I ve got the "09.05.02.Ikaruga_Jap_DC-Woot [xx-01]" release.

So i am asking u guys....

What is the pbm?
Is my burn corrupted?
Is it a demo version?

Thx for help