$ csi
CHICKEN
(c) 2008-2021, The CHICKEN Team
(c) 2000-2007, Felix L. Winkelmann
Version 5.3.0 (rev e31bbee5)
linux-unix-gnu-x86-64 [ 64bit dload ptables ]

Type ,? for help.
; loading /home/jeremy/.csirc ...
; loading /var/lib//chicken/11/chicken.load.import.so ...

Error: (setter) no setter defined: #<procedure (chicken.port#port-name . rest)>

        Call history:

        utf8-srfi-13.scm:422: make-string-hasher
        utf8-srfi-13.scm:424: make-string-hasher
        <eval>    (history-file (format "~a/.csi_history" (get-environment-variable "HOME")))
        <eval>    (format "~a/.csi_history" (get-environment-variable "HOME"))
        <eval>    (get-environment-variable "HOME")
        <eval>    (stifle-history! 25000)
        <eval>    (completer-word-break-characters-set! "\"'`;|()[] ")
        <eval>    (completer-set! scheme-completer)
        <eval>    (basic-quote-characters-set! "\"|")
        <eval>    (variable-bind! "blink-matching-paren" "on")
        <eval>    (paren-blink-timeout-set! 200000)
        <eval>    (signal-handler signal/int)
        <eval>    (set-signal-handler! signal/int (lambda (s) (cleanup-after-signal!) (reset-after-signal!) (handler s...
        <eval>    (on-exit reset-terminal!)
        <eval>    (current-input-port (make-readline-port))
        <eval>    (make-readline-port)  <--