Cyberlink DVD Suite stopped detecting multisession disc

I've been using Cyberlink DVD Suite Deluxe that came pre installed with my HP laptop. It worked well all this while but all of a sudden it just stopped detecting multisession discs that I burned earlier using it. I'm at a loss to understand why this is happening.:cry

Now I have to wait till the data I want to burn on a DVD reaches atleast 4GB so that I won't have to waste space on my DVDs.

Any ideas as to how to solve the problem?