Unhandled SB-C::INPUT-ERROR-IN-LOAD in thread #<SB-THREAD:THREAD "main thread" RUNNING
                                                 {10005184C3}>:
  READ error during LOAD:

    Package C does not exist.

      Line: 1, Column: 14, File-Position: 14

      Stream: #<SB-SYS:FD-STREAM for "file /box/script.lisp" {1001532ED3}>

Backtrace for: #<SB-THREAD:THREAD "main thread" RUNNING {10005184C3}>
0: (SB-DEBUG::DEBUGGER-DISABLED-HOOK #<SB-C::INPUT-ERROR-IN-LOAD {1001541F53}> #<unused argument> :QUIT T)
1: (SB-DEBUG::RUN-HOOK *INVOKE-DEBUGGER-HOOK* #<SB-C::INPUT-ERROR-IN-LOAD {1001541F53}>)
2: (INVOKE-DEBUGGER #<SB-C::INPUT-ERROR-IN-LOAD {1001541F53}>)
3: (ERROR #<SB-C::INPUT-ERROR-IN-LOAD {1001541F53}>)
4: (SB-C:COMPILER-ERROR SB-C::INPUT-ERROR-IN-LOAD :CONDITION #<SB-INT:SIMPLE-READER-PACKAGE-ERROR "Package ~A does not exist." {1001541EA3}> :STREAM #<SB-SYS:FD-STREAM for "file /box/script.lisp" {1001532ED3}>)
5: (SB-C::%DO-FORMS-FROM-INFO #<CLOSURE (LAMBDA (SB-KERNEL:FORM &KEY :CURRENT-INDEX &ALLOW-OTHER-KEYS) :IN SB-INT:LOAD-AS-SOURCE) {10015416CB}> #<SB-C::SOURCE-INFO {1001541693}> SB-C::INPUT-ERROR-IN-LOAD)
6: (SB-INT:LOAD-AS-SOURCE #<SB-SYS:FD-STREAM for "file /box/script.lisp" {1001532ED3}> :VERBOSE NIL :PRINT NIL :CONTEXT "loading")
7: ((FLET SB-FASL::THUNK :IN LOAD))
8: (SB-FASL::CALL-WITH-LOAD-BINDINGS #<CLOSURE (FLET SB-FASL::THUNK :IN LOAD) {7FF77E37769B}> #<SB-SYS:FD-STREAM for "file /box/script.lisp" {1001532ED3}>)
9: ((FLET SB-FASL::LOAD-STREAM :IN LOAD) #<SB-SYS:FD-STREAM for "file /box/script.lisp" {1001532ED3}> NIL)
10: (LOAD #<SB-SYS:FD-STREAM for "file /box/script.lisp" {1001532ED3}> :VERBOSE NIL :PRINT NIL :IF-DOES-NOT-EXIST T :EXTERNAL-FORMAT :DEFAULT)
11: ((FLET SB-IMPL::LOAD-SCRIPT :IN SB-IMPL::PROCESS-SCRIPT) #<SB-SYS:FD-STREAM for "file /box/script.lisp" {1001532ED3}>)
12: ((FLET SB-UNIX::BODY :IN SB-IMPL::PROCESS-SCRIPT))
13: ((FLET "WITHOUT-INTERRUPTS-BODY-2" :IN SB-IMPL::PROCESS-SCRIPT))
14: (SB-IMPL::PROCESS-SCRIPT "script.lisp")
15: (SB-IMPL::TOPLEVEL-INIT)
16: ((FLET SB-UNIX::BODY :IN SAVE-LISP-AND-DIE))
17: ((FLET "WITHOUT-INTERRUPTS-BODY-7" :IN SAVE-LISP-AND-DIE))
18: ((LABELS SB-IMPL::RESTART-LISP :IN SAVE-LISP-AND-DIE))

unhandled condition in --disable-debugger mode, quitting