Check Error

Traceback (most recent call last):
   0 File "unknown"
       In SB-IMPL::%ENTER-NEW-NICKNAMES
     Args (#<PACKAGE "OPEN-BLACKFIRE/ASDF"> ("BLACKFIRE/ASDF"))
   1 File "unknown"
       In SB-IMPL::UPDATE-PACKAGE
     Args (#<PACKAGE "OPEN-BLACKFIRE/ASDF"> ("BLACKFIRE/ASDF") #S(SB-C:DEFINITION-SOURCE-LOCATION :NAMESTRING "/tmp/checker/thephoeron-open-blackfire/open-blackfire.asd" :INDICES 65536) NIL NIL (#<PACKAGE "COMMON-LISP"> #<PACKAGE "ASDF/INTERFACE"> #<PACKAGE "UIOP/DRIVER">) NIL NIL NIL ("OPEN-BLACKFIRE/ASDF") NIL NIL NIL)
   2 File "unknown"
       In (FLET "WITHOUT-INTERRUPTS-BODY-11" :IN SB-THREAD::CALL-WITH-RECURSIVE-LOCK)
     Args ()
   3 File "unknown"
       In SB-THREAD::CALL-WITH-RECURSIVE-LOCK
     Args (#<FUNCTION (FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK :IN SB-IMPL::%DEFPACKAGE) {7FB012413E9B}> #<SB-THREAD:MUTEX "Package Graph Lock" owner: #<SB-THREAD:THREAD "main thread" RUNNING {1013F782A3}>> T NIL)
   4 File "unknown"
       In SB-IMPL::%DEFPACKAGE
     Args ("OPEN-BLACKFIRE/ASDF" ("BLACKFIRE/ASDF") NIL NIL NIL ("CL" "ASDF" "UIOP") NIL NIL NIL ("OPEN-BLACKFIRE/ASDF") NIL NIL #S(SB-C:DEFINITION-SOURCE-LOCATION :NAMESTRING "/tmp/checker/thephoeron-open-blackfire/open-blackfire.asd" :INDICES 65536) NIL)
   5 File "unknown"
       In SB-INT:SIMPLE-EVAL-IN-LEXENV
     Args ((SB-IMPL::%DEFPACKAGE "OPEN-BLACKFIRE/ASDF" (QUOTE ("BLACKFIRE/ASDF")) (QUOTE NIL) (QUOTE NIL) (QUOTE NIL) (QUOTE ("CL" "ASDF" "UIOP")) (QUOTE NIL) (QUOTE NIL) (QUOTE NIL) (QUOTE ("OPEN-BLACKFIRE/ASDF")) (QUOTE NIL) (QUOTE NIL) (SB-C:SOURCE-LOCATION)) #<NULL-LEXENV>)
   6 File "unknown"
       In SB-INT:SIMPLE-EVAL-IN-LEXENV
     Args ((DEFPACKAGE "OPEN-BLACKFIRE/ASDF" (:NICKNAMES BLACKFIRE/ASDF) (:USE CL ASDF UIOP)) #<NULL-LEXENV>)
   7 File "unknown"
       In EVAL-TLF
     Args ((DEFPACKAGE "OPEN-BLACKFIRE/ASDF" (:NICKNAMES BLACKFIRE/ASDF) (:USE CL ASDF UIOP)) 1 NIL)
   8 File "unknown"
       In (LABELS SB-FASL::EVAL-FORM :IN SB-INT:LOAD-AS-SOURCE)
     Args ((DEFPACKAGE "OPEN-BLACKFIRE/ASDF" (:NICKNAMES BLACKFIRE/ASDF) (:USE CL ASDF UIOP)) 1)
   9 File "unknown"
       In (LAMBDA (SB-KERNEL:FORM &KEY :CURRENT-INDEX &ALLOW-OTHER-KEYS) :IN SB-INT:LOAD-AS-SOURCE)
     Args ((DEFPACKAGE "OPEN-BLACKFIRE/ASDF" (:NICKNAMES BLACKFIRE/ASDF) (:USE CL ASDF UIOP)) :CURRENT-INDEX 1)
Condition ASDF/FIND-SYSTEM:LOAD-SYSTEM-DEFINITION-ERROR: Error while trying to load definition for system open-blackfire from pathname /tmp/checker/thephoeron-open-blackfire/open-blackfire.asd: "BLACKFIRE/ASDF" is a package name, so it cannot be a nickname for "OPEN-BLACKFIRE/ASDF".