The value -40 is not of type (MOD 1152921504606846973).
   [Condition of type TYPE-ERROR]

Restarts:
 0: [TERMINATE-THREAD] Terminate this thread (#<THREAD RUNNING {1002BB3BC1}>)

Backtrace:
  0: (SB-KERNEL:SYSTEM-AREA-UB8-COPY #.(SB-SYS:INT-SAP #X7F7BC64F9000) 68 #.(SB-SYS:INT-SAP #X7F7BC64F9000) 0 -40)[:EXTERNAL]
      Locals:
        SB-DEBUG::ARG-0 = 5
        SB-DEBUG::ARG-1 = #.(SB-SYS:INT-SAP #X7F7BC64F9000)
        SB-DEBUG::ARG-2 = 68
        SB-DEBUG::ARG-3 = #.(SB-SYS:INT-SAP #X7F7BC64F9000)
        SB-DEBUG::ARG-4 = 0
        SB-DEBUG::ARG-5 = -40
  1: ((FLET #:WITHOUT-INTERRUPTS-BODY-[REFILL-INPUT-BUFFER]1754))
      [No Locals]
  2: (SB-IMPL::REFILL-INPUT-BUFFER #<SB-SYS:FD-STREAM for "a socket" {10040F8451}>)
      Locals:
        SB-DEBUG::ARG-0 = #<SB-SYS:FD-STREAM for "a socket" {10040F8451}>
  3: (SB-IMPL::INPUT-UNSIGNED-8BIT-BYTE #<SB-SYS:FD-STREAM for "a socket" {10040F8451}> NIL NIL)
      Locals:
        SB-DEBUG::ARG-0 = #<SB-SYS:FD-STREAM for "a socket" {10040F8451}>
        SB-DEBUG::ARG-1 = NIL
        SB-DEBUG::ARG-2 = NIL
      Catch-tags:
        SB-IMPL::EOF-INPUT-CATCHER
  4: (READ-BYTE #<SB-SYS:FD-STREAM for "a socket" {10040F8451}> NIL NIL)
      Locals:
        SB-IMPL::EOF-ERROR-P = NIL
        SB-IMPL::EOF-VALUE = NIL
        STREAM = #<SB-SYS:FD-STREAM for "a socket" {10040F8451}>
  5: (READ-SEQUENCE-UNTIL #<unavailable argument> #<unavailable argument> #<unavailable argument>)[:EXTERNAL]
      Locals:
        SB-DEBUG::ARG-0 = :<NOT-AVAILABLE>
        SB-DEBUG::ARG-1 = :<NOT-AVAILABLE>
        SB-DEBUG::ARG-2 = :<NOT-AVAILABLE>
        SB-DEBUG::ARG-3 = :<NOT-AVAILABLE>
  6: ((SB-PCL::FAST-METHOD READ-IRC-MESSAGE (CONNECTION)) #<unavailable argument> #<unavailable argument> #<CONNECTION irc.freenode.net {1004044B51}>)
      Locals:
        SB-DEBUG::ARG-0 = :<NOT-AVAILABLE>
        SB-DEBUG::ARG-1 = :<NOT-AVAILABLE>
        SB-DEBUG::ARG-2 = #<CONNECTION irc.freenode.net {1004044B51}>
  7: ((SB-PCL::FAST-METHOD READ-MESSAGE (CONNECTION)) #<unavailable argument> #<unavailable argument> #<CONNECTION irc.freenode.net {1004044B51}>)
      Locals:
        SB-DEBUG::ARG-0 = :<NOT-AVAILABLE>
        SB-DEBUG::ARG-1 = :<NOT-AVAILABLE>
        SB-DEBUG::ARG-2 = #<CONNECTION irc.freenode.net {1004044B51}>
  8: (READ-MESSAGE-LOOP #<CONNECTION irc.freenode.net {1004044B51}>)
      Locals:
        SB-DEBUG::ARG-0 = #<CONNECTION irc.freenode.net {1004044B51}>
  9: ((FLET SB-THREAD::WITH-MUTEX-THUNK))
      [No Locals]
      Catch-tags:
        SB-IMPL::%END-OF-THE-WORLD
        SB-INT:TOPLEVEL-CATCHER
 10: ((FLET #:WITHOUT-INTERRUPTS-BODY-[CALL-WITH-MUTEX]477))
      [No Locals]
 11: (SB-THREAD::CALL-WITH-MUTEX #<CLOSURE (FLET SB-THREAD::WITH-MUTEX-THUNK) {7F7BC1AE2EF9}> #S(SB-THREAD:MUTEX :NAME "thread result lock" :%OWNER #<SB-THREAD:THREAD RUNNING {1002BB3BC1}> :STATE 1) #<SB-THREAD:THREAD RUNNING {1002BB3BC1}> T)
      Locals:
        SB-DEBUG::ARG-0 = #<CLOSURE (FLET SB-THREAD::WITH-MUTEX-THUNK) {7F7BC1AE2EF9}>
        SB-DEBUG::ARG-1 = #S(SB-THREAD:MUTEX :NAME "thread result lock" :%OWNER #<SB-THREAD:THREAD RUNNING {1002BB3BC1}> :STATE 1)
        SB-DEBUG::ARG-2 = #<SB-THREAD:THREAD RUNNING {1002BB3BC1}>
        SB-DEBUG::ARG-3 = T
 12: ((LAMBDA NIL))
      [No Locals]
 13: ("foreign function: #x41E372")
      [No Locals]
 14: ("foreign function: #x415DFA")
      [No Locals]