1 files changed, 1 insertions, 3 deletions
diff --git a/js/Linear/SUM_f.js b/js/Linear/SUM_f.js
index e4bb2f8a..a4c1c57a 100644
--- a/js/Linear/SUM_f.js
+++ b/js/Linear/SUM_f.js
@@ -16,9 +16,7 @@ function SUM_f() {
         return this.x;
     }
     SUM_f.prototype.get = function SUM_f() {
-        var options = {
-        }
-        return options;
+        alert("parameters cannot be modified");
     }
     SUM_f.prototype.set = function SUM_f() {
         return new BasicBlock(this.x);