question editor loading: cope with bad variable replacement definition

numbas · Dec 13, 2023 · e05bdec · e05bdec
1 parent da46669
commit e05bdec
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/editor/static/js/question/edit.js b/editor/static/js/question/edit.js
@@ -3667,7 +3667,10 @@ $(document).ready(function() {
         load: function(data) {
             tryLoad(data,['variable','must_go_first'],this);
             var path = data.part;
-            this.replacement(this.part.q.getPart(data.part).id);
+            var part = this.part.q.getPart(data.part);
+            if(part) {
+                this.replacement(part.id);
+            }
         }
     }