Doesn't work with sbcl, I'll try it with ccl later today:
$ uname -a
Linux akkartik 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:32:08 UTC 2012 i686 i686 i686 GNU/Linux
$ pwd
/home/akkartik
$ sbcl --version
SBCL 1.1.14.debian
$ ls quicklisp/local-projects
Clamp/ system-index.txt
$ rlwrap sbcl
This is SBCL 1.1.14.debian, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http://www.sbcl.org/>.
SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses. See the CREDITS and COPYING files in the
distribution for more information.
* (require :asdf)
("ASDF")
* (asdf:load-system :clamp)
debugger invoked on a ASDF/FIND-SYSTEM:MISSING-COMPONENT in thread
#<THREAD "main thread" RUNNING {ABFC8D1}>:
Component :CLAMP not found
Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.
restarts (invokable by number or by possibly-abbreviated name):
0: [ABORT] Exit debugger, returning to top level.
((:METHOD ASDF/OPERATE:OPERATE (SYMBOL T)) ASDF/LISP-ACTION:LOAD-OP :CLAMP) [fast-method]
0]
*
Oh, are you using it with Quicklisp? I also tried installing quicklisp as well, but it didn't change the error.