Do not require a real operation to be registered at a trail in order to

redirect to it.

This is important for cases where the new trail was created as part of
the form submission, and the trail will become available on the
passthrough resulting from the redirect.

plugins/export_ui/ctools_export_ui.class.php

@@ -1434,10 +1434,15 @@ class ctools_export_ui {
     // If a new trail is set and we're not ajaxing, set a redirect in the
     // form state so that the form will properly handle the next step.
     if (isset($form_state['new trail']) && empty($form_state['ajax'])) {
+      // Use an explicitly set path for the trail, if one exists.
       $operation = drupal_array_get_nested_value($form_state['operations'], $form_state['new trail']);
       if (!empty($operation['#path'])) {
         $form_state['redirect'] = $operation['#path'];
       }
+      // Otherwise just derive the default path for the trail and hope it works.
+      else {
+        $form_state['redirect'] = ctools_export_ui_plugin_menu_path($this->plugin, 'edit', $item->{$export_key}) . '/' . implode('/', $form_state['new trail']);
+      }
     }
 
     $this->edit_cache_set($item, $form_state['op']);