Also check qrz API key for empty string

application/models/User_model.php

@@ -89,6 +89,7 @@ class User_Model extends CI_Model {
 
 	function hasQrzKey($user_id) {
 		$this->db->where('station_profile.qrzapikey is not null');
+		$this->db->where('station_profile.qrzapikey != ""');
 		$this->db->join('station_profile', 'station_profile.user_id = '.$user_id);
 		$query = $this->db->get($this->config->item('auth_table'));