What's wrong with this DVD?

Hi, what does this scan of a DVD media wants to tell me?
Throw me away and burn a new DVD!?

I used a Plextor PX-712A and DVD-R 16x by TDK

upgrade to the latest plextools professional (via plextor website) and try again

Thanks! With the new version of Plextools the huge peaks at the beginning are away.