# Pastebin 85uvbhDc
* (namestring (make-pathname :type "rc"))

debugger invoked on a SB-KERNEL:NO-NAMESTRING-ERROR in thread
#<THREAD "main thread" RUNNING {70015B0003}>:
  The pathname
  #<PATHNAME (with no namestring)
             :HOST #<SB-IMPL::UNIX-HOST {70001183C3}>
             :DEVICE NIL
             :DIRECTORY NIL
             :NAME NIL
             :TYPE "rc"
             :VERSION NIL>
  does not have a namestring because
  there is a :TYPE component but no :NAME component
See also:
  The ANSI Standard, Section 19.1.2

Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.

restarts (invokable by number or by possibly-abbreviated name):
  0: [ABORT] Exit debugger, returning to top level.