1 files changed, 1 insertions, 3 deletions
diff --git a/js/NonLinear/COSBLK_f.js b/js/NonLinear/COSBLK_f.js
index 7735a7ae..51a7c03f 100644
--- a/js/NonLinear/COSBLK_f.js
+++ b/js/NonLinear/COSBLK_f.js
@@ -16,9 +16,7 @@ function COSBLK_f() {
         return this.x;
     }
     COSBLK_f.prototype.get = function COSBLK_f() {
-        var options = {
-        }
-        return options;
+        alert("parameters cannot be modified");
     }
     COSBLK_f.prototype.set = function COSBLK_f() {
         return new BasicBlock(this.x);