How much pre-existing credit card debt is manageable entering medical school?

I'm in a really tough spot financially due to a client who signed a contract guaranteeing me, along with a team of about 200 other contractors, a steady workflow for the next few months only to pause the workflow until July at the earliest, citing technical errors that need to be worked out. It's a convoluted mess. I was relying on that gig to pay down my credit cards and afford my expenses in these last few months before beginning medical school, so now I'm just kind of panicking and... How much pre-existing credit card debt is manageable entering medical school?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums