Ticket #33411: 33411.diff

src/wp-admin/js/customize-nav-menus.js

@@ -119 +119 @@
                 initialize: function() {
                         var self = this;
 
+                        if ( ! api.panel.has( 'nav_menus' ) ) {
+                                return;
+                        }
+
                         this.$search = $( '#menu-items-search' );
                         this.sectionContent = this.$el.find( '.accordion-section-content' );