my installation fails with the following output:
<output>
WARNING: Setting locale failed.
Check the following variables for correct values:
LANG=en_US.UTF-8
LC_MONETARY=en_US.UTF-8
LC_NUMERIC=en_US.UTF-8
LC_TIME=en_US.UTF-8
<INFO> [21:57:55] next base.lisp (load-lisp-file form-fun-4) -
Loading configuration from /gnu/store/9l8n6sb9l12gabf27qf7bwykqiwfk0ap-sbcl-next-1.2.1-lib/.config/next/init.lisp...
<WARN> [21:57:55] next base.lisp (start) -
swank:*communication-style* is set to NIL, recommended value is :fd-handler
<INFO> [21:57:55] next port.lisp (run-program port) -
Current directory: /home/ngks/ZVV-volism-local/src/SchemeBBS/
<INFO> [21:57:55] next port.lisp (run-program port) -
Platform port path: /gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit
<INFO> [21:57:55] next port.lisp (run-program port) -
Platform port arguments: (--port 8082 --core-socket
http://localhost:8081/RPC2)
<INFO> [21:57:55] next port.lisp (run-program port) -
Platform port log file: /home/ngks/.local/share/next/gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit.log
Unhandled SIMPLE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING
{10005D05B3}>:
Couldn't execute "/gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit": No such file or directory
Backtrace for: #<SB-THREAD:THREAD "main thread" RUNNING {10005D05B3}>
0: (SB-DEBUG::DEBUGGER-DISABLED-HOOK #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {100475CDE3}> #<unused argument> :QUIT T)
1: (SB-DEBUG::RUN-HOOK *INVOKE-DEBUGGER-HOOK* #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {100475CDE3}>)
2: (INVOKE-DEBUGGER #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {100475CDE3}>)
3: (UIOP/IMAGE:HANDLE-FATAL-CONDITION #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {100475CDE3}>)
4: (SB-KERNEL::%SIGNAL #<SIMPLE-ERROR "Couldn't execute ~S: ~A" {100475CDE3}>)
5: (ERROR "Couldn't execute ~S: ~A" "/gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit" "No such file or directory")
6: (RUN-PROGRAM "/gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit" ("--port" "8082" "--core-socket" "http://localhost:8081/RPC2") :ENV NIL :ENVIRONMENT NIL :WAIT NIL :SEARCH T :PTY NIL :INPUT NIL :IF-INPUT-DOES-NOT-EXIST :ERROR :OUTPUT #P"/home/ngks/.local/share/next/gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit.log" :IF-OUTPUT-EXISTS :APPEND :ERROR :OUTPUT :IF-ERROR-EXISTS :APPEND :STATUS-HOOK NIL :EXTERNAL-FORMAT :UTF-8 :DIRECTORY NIL)
7: (UIOP/LAUNCH-PROGRAM:LAUNCH-PROGRAM ("/gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit" "--port" "8082" "--core-socket" "http://localhost:8081/RPC2") :OUTPUT #P"/home/ngks/.local/share/next/gnu/store/sgbfnhg5662by6pd142qaf2x2kib5yq1-next-gtk-webkit-1.2.1/bin/next-gtk-webkit.log" :ERROR-OUTPUT :OUTPUT)
8: ((:METHOD NEXT::RUN-PROGRAM (NEXT::PORT)) #<NEXT::PORT {1003CE3EA3}>) [fast-method]
9: (NEXT:START :WITH-PLATFORM-PORT-P T)
10: (NEXT:START-WITH-PORT)
11: (NEXT-EXEC:MAIN)
12: ((LAMBDA NIL :IN UIOP/IMAGE:RESTORE-IMAGE))
13: (UIOP/IMAGE:CALL-WITH-FATAL-CONDITION-HANDLER #<CLOSURE (LAMBDA NIL :IN UIOP/IMAGE:RESTORE-IMAGE) {10038507FB}>)
14: ((FLET SB-UNIX::BODY :IN SAVE-LISP-AND-DIE))
15: ((FLET "WITHOUT-INTERRUPTS-BODY-7" :IN SAVE-LISP-AND-DIE))
16: ((LABELS SB-IMPL::RESTART-LISP :IN SAVE-LISP-AND-DIE))
unhandled condition in --disable-debugger mode, quitting
</output>
guess it is badly packaged in guix?