title: SBCL -Common Lisp Error
body: <p>I am trying to run the repository from the following link:<br>
  <a href="https://github.com/JafferWilson/test-program" rel="nofollow noreferrer">https://github.com/JafferWilson/test-program</a></p>
  
  <p>I am getting this error:  </p>
  
  <pre><code>sbcl --script paraphrasing.lisp 
  Unhandled SB-KERNEL:SIMPLE-PACKAGE-ERROR in thread #&lt;SB-THREAD:THREAD
                                                       "main thread" RUNNING
                                                        {100399C6D3}&gt;:
    The name "USER" does not designate any package.
  
  Backtrace for: #&lt;SB-THREAD:THREAD "main thread" RUNNING {100399C6D3}&gt;
  0: ((LAMBDA NIL :IN SB-DEBUG::FUNCALL-WITH-DEBUG-IO-SYNTAX))
  1: (SB-IMPL::CALL-WITH-SANE-IO-SYNTAX #&lt;CLOSURE (LAMBDA NIL :IN SB-DEBUG::FUNCALL-WITH-DEBUG-IO-SYNTAX) {10039E3C1B}&gt;)
  2: (SB-IMPL::%WITH-STANDARD-IO-SYNTAX #&lt;CLOSURE (LAMBDA NIL :IN SB-DEBUG::FUNCALL-WITH-DEBUG-IO-SYNTAX) {10039E3BEB}&gt;)
  3: (PRINT-BACKTRACE :STREAM #&lt;SB-SYS:FD-STREAM for "standard error" {10039A22B3}&gt; :START 0 :FROM :INTERRUPTED-FRAME :COUNT NIL :PRINT-THREAD T :PRINT-FRAME-SOURCE NIL :METHOD-FRAME-STYLE NIL)
  4: (SB-DEBUG::DEBUGGER-DISABLED-HOOK #&lt;SB-KERNEL:SIMPLE-PACKAGE-ERROR "The name ~S does not designate any package." {10039E1643}&gt; #&lt;unavailable argument&gt;)
  5: (SB-DEBUG::RUN-HOOK *INVOKE-DEBUGGER-HOOK* #&lt;SB-KERNEL:SIMPLE-PACKAGE-ERROR "The name ~S does not designate any package." {10039E1643}&gt;)
  6: (INVOKE-DEBUGGER #&lt;SB-KERNEL:SIMPLE-PACKAGE-ERROR "The name ~S does not designate any package." {10039E1643}&gt;)
  7: (ERROR SB-KERNEL:SIMPLE-PACKAGE-ERROR :PACKAGE "USER" :FORMAT-CONTROL "The name ~S does not designate any package." :FORMAT-ARGUMENTS ("USER"))
  8: (SB-INT:%FIND-PACKAGE-OR-LOSE "USER")
  9: (SB-INT:FIND-UNDELETED-PACKAGE-OR-LOSE "USER")
  10: ((LAMBDA NIL :IN "/home/aims/paraphrasing/paraphrasing.lisp"))
  11: (SB-INT:SIMPLE-EVAL-IN-LEXENV (SETQ *PACKAGE* (SB-INT:FIND-UNDELETED-PACKAGE-OR-LOSE "USER")) #&lt;NULL-LEXENV&gt;)
  12: (SB-INT:SIMPLE-EVAL-IN-LEXENV (IN-PACKAGE "USER") #&lt;NULL-LEXENV&gt;)
  13: (EVAL-TLF (IN-PACKAGE "USER") 0 NIL)
  14: ((LABELS SB-FASL::EVAL-FORM :IN SB-INT:LOAD-AS-SOURCE) (IN-PACKAGE "USER") 0)
  15: ((LAMBDA (SB-KERNEL:FORM &amp;KEY :CURRENT-INDEX &amp;ALLOW-OTHER-KEYS) :IN SB-INT:LOAD-AS-SOURCE) (IN-PACKAGE "USER") :CURRENT-INDEX 0)
  16: (SB-C::%DO-FORMS-FROM-INFO #&lt;CLOSURE (LAMBDA (SB-KERNEL:FORM &amp;KEY :CURRENT-INDEX &amp;ALLOW-OTHER-KEYS) :IN SB-INT:LOAD-AS-SOURCE) {10039A7ECB}&gt; #&lt;SB-C::SOURCE-INFO {10039A7E83}&gt; SB-C::INPUT-ERROR-IN-LOAD)
  17: (SB-INT:LOAD-AS-SOURCE #&lt;SB-SYS:FD-STREAM for "file /home/aims/paraphrasing/paraphrasing.lisp" {10039A4703}&gt; :VERBOSE NIL :PRINT NIL :CONTEXT "loading")
  18: ((FLET SB-FASL::LOAD-STREAM :IN LOAD) #&lt;SB-SYS:FD-STREAM for "file /home/aims/paraphrasing/paraphrasing.lisp" {10039A4703}&gt; NIL)
  19: (LOAD #&lt;SB-SYS:FD-STREAM for "file /home/aims/paraphrasing/paraphrasing.lisp" {10039A4703}&gt; :VERBOSE NIL :PRINT NIL :IF-DOES-NOT-EXIST T :EXTERNAL-FORMAT :DEFAULT)
  20: ((FLET SB-IMPL::LOAD-SCRIPT :IN SB-IMPL::PROCESS-SCRIPT) #&lt;SB-SYS:FD-STREAM for "file /home/aims/paraphrasing/paraphrasing.lisp" {10039A4703}&gt;)
  21: ((FLET #:WITHOUT-INTERRUPTS-BODY-146 :IN SB-IMPL::PROCESS-SCRIPT))
  22: (SB-IMPL::PROCESS-SCRIPT "paraphrasing.lisp")
  23: (SB-IMPL::TOPLEVEL-INIT)
  24: ((FLET #:WITHOUT-INTERRUPTS-BODY-82 :IN SAVE-LISP-AND-DIE))
  25: ((LABELS SB-IMPL::RESTART-LISP :IN SAVE-LISP-AND-DIE))
  
  unhandled condition in --disable-debugger mode, quitting
  </code></pre>
  
  <p>Kindly, help me to resolve this so the program runs effectively.</p>