1 files changed, 1 insertions, 0 deletions
diff --git a/js/Sinks/CSCOPXY3D.js b/js/Sinks/CSCOPXY3D.js
index 8bc5bbe2..a988d1aa 100644
--- a/js/Sinks/CSCOPXY3D.js
+++ b/js/Sinks/CSCOPXY3D.js
@@ -133,6 +133,7 @@ function CSCOPXY3D() {
                 break;
             } else {
                 message(mess);
+                throw "user error";
             }
         }
         return new BasicBlock(this.x);