1 files changed, 1 insertions, 0 deletions
diff --git a/js/Sinks/CMAT3D.js b/js/Sinks/CMAT3D.js
index 03a680fa..5656b99c 100644
--- a/js/Sinks/CMAT3D.js
+++ b/js/Sinks/CMAT3D.js
@@ -60,6 +60,7 @@ function CMAT3D() {
             }
             if (!ok) {
                 message([["Some specified values are inconsistent:"],[" "],[mess]]);
+                throw "user error";
             }
             if (ok) {
                 var size_x = size(this.vec_x,"*");