Ticket #36742: 36742.3.diff

src/wp-includes/js/wp-lists.js

@@ -297 +297 @@
                         res = wpAjax.parseAjaxResponse(r, s.response, s.element);
                         rres = r;
 
-                        if ( 'undefined' !== typeof res.responses[0].supplemental.comment_link ) {
+                        if ( 'undefined' !== typeof res.responses && 'undefined' !== typeof res.responses[0].supplemental.comment_link ) {
                                 var submittedOn = element.find( '.submitted-on' ),
                                         commentLink = submittedOn.find( 'a' );