lispworks and sly

gistfile1.txt

Cannot use external format (UTF-8
                            EOL-STYLE
                            LF)without having installed flexi-streams in the inferior-lisp.
   [Condition of type SIMPLE-ERROR]

Restarts:
 0: [*ABORT] Return to SLY's top level.
 1: [ABORT] Quit process.

Backtrace:
 0: (CONDITIONS::CONDITIONS-ERROR :INVISIBLEP T "Cannot use external format ~A~\n            without having installed flexi-streams in the inferior-lisp." ((:UTF-8 :EOL-STYLE :LF)))
 1: (ERROR "Cannot use external format ~A~\n            without having installed flexi-streams in the inferior-lisp." (:UTF-8 :EOL-STYLE :LF))
 2: (SLYNK-LISPWORKS::MAKE-FLEXI-STREAM #<COMM:SOCKET-STREAM 40100B3B43> (:UTF-8 :EOL-STYLE :LF))
 3: ((SUBFUNCTION (FLET SLYNK-BACKEND:ACCEPT-CONNECTION) (TOP-LEVEL-FORM 22)) 5 :EXTERNAL-FORMAT (:UTF-8 :EOL-STYLE :LF) "<BUFFERING>" :TIMEOUT ...)
 4: (SLYNK-BACKEND:ACCEPT-CONNECTION 5 :EXTERNAL-FORMAT (:UTF-8 :EOL-STYLE :LF) :BUFFERING :LINE ...)
 5: (SLYNK-MREPL::OPEN-DEDICATED-OUTPUT-STREAM 1)
 6: (SLYNK-MREPL::MAKE-MREPL-OUTPUT-STREAM 1)
 7: (SLYNK-MREPL:CREATE-MREPL 1)
 8: (SYSTEM::%INVOKE :INVISIBLEP T)
 9: (SYSTEM::%EVAL (SLYNK-MREPL:CREATE-MREPL 1))
10: (EVAL (SLYNK-MREPL:CREATE-MREPL 1))
11: (SLYNK:EVAL-FOR-EMACS (SLYNK-MREPL:CREATE-MREPL 1) NIL 4)
12: ((SUBFUNCTION 1 (SUBFUNCTION 1 (SUBFUNCTION 1 SLYNK::SPAWN-WORKER-THREAD))))
13: ((SUBFUNCTION (FLET SLYNK-BACKEND:CALL-WITH-DEBUGGER-HOOK) (TOP-LEVEL-FORM 50)) ..)
14: ((SUBFUNCTION 1 (SUBFUNCTION 1 SLYNK::SPAWN-WORKER-THREAD)))
15: (MP::PROCESS-SG-FUNCTION 0 NIL NIL)
16: [error printing frame]