I'm trying to get Drakma working with SBCL.  I've loaded it with quicklisp but when I try to connect to a website in Slime, I get this error:

The function DRAKMA::WITH-CHARACTER-STREAM-SEMANTICS is undefined.
   [Condition of type UNDEFINED-FUNCTION]

Any idea what could be causing this?  I've attached the backtrace in case that helps.

Thanks,

Patrick

Backtrace:
  0: ("undefined function")
  1: (HTTP-REQUEST #<PURI:URI http://ichart.yahoo.com/table.csv?s=IBM&a=0&b=01&c=2012&d=11&e=31&f=2012&g=d&ignore=.csv>)
  2: (GET-YAHOO-SYMBOL-DATA "IBM" "2012-01-01" "2012-12-31")
  3: (SB-INT:SIMPLE-EVAL-IN-LEXENV (GET-YAHOO-SYMBOL-DATA "IBM" "2012-01-01" "2012-12-31") #<NULL-LEXENV>)
  4: (EVAL (GET-YAHOO-SYMBOL-DATA "IBM" "2012-01-01" "2012-12-31"))
  5: ((LAMBDA () :IN SWANK:EVAL-AND-GRAB-OUTPUT))
  6: (SWANK::CALL-WITH-RETRY-RESTART "Retry SLIME evaluation request." #<CLOSURE (LAMBDA # :IN SWANK:EVAL-AND-GRAB-OUTPUT) {13BBF7E5}>)
  7: (SWANK::CALL-WITH-BUFFER-SYNTAX NIL #<CLOSURE (LAMBDA # :IN SWANK:EVAL-AND-GRAB-OUTPUT) {13BBF7CD}>)
  8: (SB-INT:SIMPLE-EVAL-IN-LEXENV (SWANK:EVAL-AND-GRAB-OUTPUT "(get-yahoo-symbol-data \"IBM\" \"2012-01-01\" \"2012-12-31\")\n") #<NULL-LEXENV>)
  9: (EVAL (SWANK:EVAL-AND-GRAB-OUTPUT "(get-yahoo-symbol-data \"IBM\" \"2012-01-01\" \"2012-12-31\")\n"))
 10: (SWANK:EVAL-FOR-EMACS (SWANK:EVAL-AND-GRAB-OUTPUT "(get-yahoo-symbol-data \"IBM\" \"2012-01-01\" \"2012-12-31\")\n") ":comp-invest" 17)
 11: (SWANK::PROCESS-REQUESTS T)
 12: (SWANK::CALL-WITH-BINDINGS ..)
 13: (SWANK::REPL-INPUT-STREAM-READ #<SWANK::SINGLETHREADED-CONNECTION {12971A59}> #<SB-SYS:FD-STREAM for "standard input" {11A91B11}>)
 14: ((LAMBDA () :IN SB-GRAY:STREAM-READ-CHAR))
 15: ((SB-PCL::FAST-METHOD SB-GRAY:STREAM-READ-CHAR (SWANK-BACKEND::SLIME-INPUT-STREAM)) #<unavailable argument> #<unavailable argument> #<SWANK-BACKEND::SLIME-INPUT-STREAM {12971BC9}>)
 16: (READ-CHAR #<SWANK-BACKEND::SLIME-INPUT-STREAM {12971BC9}> T #:EOF-OBJECT #<unused argument>)
 17: (SB-IMPL::%READ-PRESERVING-WHITESPACE #<SWANK-BACKEND::SLIME-INPUT-STREAM {12971BC9}> T NIL T)
 18: (SB-IMPL::%READ-PRESERVING-WHITESPACE #<SWANK-BACKEND::SLIME-INPUT-STREAM {12971BC9}> T NIL NIL)
 19: (READ #<SWANK-BACKEND::SLIME-INPUT-STREAM {12971BC9}> T NIL NIL)
 20: (SWANK::SIMPLE-REPL)
 21: ((LAMBDA () :IN SWANK::SIMPLE-SERVE-REQUESTS))
 22: ((LAMBDA () :IN SWANK::SIMPLE-SERVE-REQUESTS))
 23: ((LAMBDA (SWANK-BACKEND::HANDLER FUNCTION) :IN "/Users/Patrick/.emlib/slime/swank-backend.lisp") ..)
 24: (SWANK-BACKEND::CALL-WITH-BREAK-HOOK #<FUNCTION SWANK:SWANK-DEBUGGER-HOOK> #<CLOSURE (LAMBDA # :IN SWANK::SIMPLE-SERVE-REQUESTS) {12971ACD}>)
 25: ((FLET SWANK-BACKEND:CALL-WITH-DEBUGGER-HOOK :IN "/Users/Patrick/.emlib/slime/swank-sbcl.lisp") #<FUNCTION SWANK:SWANK-DEBUGGER-HOOK> #<CLOSURE (LAMBDA # :IN SWANK::SIMPLE-SERVE-REQUESTS) {12971ACD}>)
 26: (SWANK::SIMPLE-SERVE-REQUESTS #<SWANK::SINGLETHREADED-CONNECTION {12971A59}>)
 27: (SWANK::ACCEPT-CONNECTIONS #<SB-BSD-SOCKETS:INET-SOCKET fd: -1 {129680D1}> NIL NIL)
 28: ((LABELS SWANK::SERVE-LOOP :IN SWANK::SETUP-SERVER))
 29: (SWANK::SETUP-SERVER 0 #<CLOSURE (LAMBDA # :IN SWANK:START-SERVER) {128E5F1D}> NIL NIL NIL)
 30: (SB-INT:SIMPLE-EVAL-IN-LEXENV (FUNCALL (READ-FROM-STRING "swank:start-server") "/var/folders/b0/br9v722s5nq0j4m677ncd98c0000gn/T/slime.32805") #<NULL-LEXENV>)
 31: (SB-INT:SIMPLE-EVAL-IN-LEXENV ..)
 32: (EVAL ..)
 33: (SB-EXT:INTERACTIVE-EVAL ..)
 34: (SB-IMPL::REPL-FUN NIL)
 35: ((LAMBDA () :IN SB-IMPL::TOPLEVEL-REPL))
 36: (SB-IMPL::%WITH-REBOUND-IO-SYNTAX #<CLOSURE (LAMBDA # :IN SB-IMPL::TOPLEVEL-REPL) {13363095}>)
 37: (SB-IMPL::TOPLEVEL-REPL NIL)
 38: (SB-IMPL::TOPLEVEL-INIT)
 39: ((FLET #:WITHOUT-INTERRUPTS-BODY-222031 :IN SB-EXT:SAVE-LISP-AND-DIE))
 40: ((LABELS SB-IMPL::RESTART-LISP :IN SB-EXT:SAVE-LISP-AND-DIE))


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