diff --git a/compile.rkt b/compile.rkt
index 6d62720..9d75159 100644
--- a/compile.rkt
+++ b/compile.rkt
@@ -774,14 +774,8 @@
     [(and (LocalRef? exp) 
           (not (LocalRef-unbox? exp)))
      (let ([entry (list-ref cenv (LocalRef-depth exp))])
-       (printf "~s\n" entry)
-       (cond
-         [(StaticallyKnownLam? entry)
-          entry]
-         [(Const? entry)
-          entry]
-         [else
-          '?]))]
+       entry)]
+    
     [(ToplevelRef? exp)
      (let: ([name : (U Symbol False ModuleVariable)
                   (list-ref (Prefix-names (ensure-prefix (list-ref cenv (ToplevelRef-depth exp))))
@@ -791,8 +785,10 @@
               name]
              [else
               '?]))]
+    
     [(Constant? exp)
      (make-Const (Constant-v exp))]
+    
     [else
      '?]))
 
diff --git a/test-browser-evaluate.rkt b/test-browser-evaluate.rkt
index 70f07d8..e4e8897 100644
--- a/test-browser-evaluate.rkt
+++ b/test-browser-evaluate.rkt
@@ -303,6 +303,11 @@ EOF
       "4\n5\n16\n")
       
 
+(test/exn '(let ([x 0])
+             (set! x "foo")
+             (add1 x))
+          "Error: Expected number as argument 1 but received foo")
+
 
 #;(test (read (open-input-file "tests/conform/program0.sch"))
       (port->string (open-input-file "tests/conform/expected0.txt")))
\ No newline at end of file