burn help plz
 

im trying to burn my original of Mafia but im only learning.
everything was going fine now im up to

Overburn Request
Image dosnt fit on destination disk!
space available: 756 MByte (74:58:0 Min:Sec:fra)
space required: 756MByte (74:59:7 Min:sec:fra)
Please select how to proceed!

(my options)

try to overburn or write until the end of the media is reached
what do i do?