fix login if uaer_id is null

application/views/interface_assets/footer.php

@@ -70,6 +70,7 @@ function load_was_map() {
 <!-- Version Dialog START -->
 
 <?php
+if($this->session->userdata('user_id') != null) {
     $versionDialog = $this->optionslib->get_option('version_dialog');
     if($versionDialog != "disabled") {
         $confirmed = $this->user_options_model->get_options('version_dialog', array('option_name'=>'confirmed'))->result();
@@ -81,6 +82,7 @@ if($versionDialog != "disabled") {
             </script><?php
         }
     }
+}
 ?>
 
 <!-- Version Dialog END -->