No problem. Read the guide to asking questions on the monks. Look at the 3 files you are require-ing for Carp. The problem is in one of those.
Try to come up with a more specific question. One that includes the code from the file that is actually using Carp.

And, most important use strict, otherwise 90% of your Perl programming career will be spent tracking down bugs that the system would have found for you.

-pete
"Worry is like a rocking chair. It gives you something to do, but it doesn't get you anywhere."