@@ -66,7 +66,7 @@
<script>
<%= blazer_js_var "params", variable_params %>
- <%= blazer_js_var "previewStatement", Hash[Blazer.data_sources.map { |k, v| [k, v.preview_statement] }] %>
+ <%= blazer_js_var "previewStatement", Hash[Blazer.data_sources.map { |k, v| [k, (v.preview_statement rescue "")] }] %>
var app = new Vue({
el: "#app",