Global economy meltdown?

Why is it the banks are running out of money? or better Why not printing more currency is gonna save the financial system?.

I was curious about this situation, so I could find a very good explanation on this. Here is a video about the actual debt, where Moloney answer the previous two questions.

"Our entire currency system is imaginary. It doesn't really exist. It's just We're all dreaming the same dream. If anybody chooses to wake up ... It's over with"