From 54d33f2843e629545f6bf6233cf02a1a2cf4b5ba Mon Sep 17 00:00:00 2001
From: Tim Mallezie <tim.mallezie@chiro.be>
Date: Wed, 13 May 2015 21:04:24 +0200
Subject: [PATCH] fix warning when there are no tags

---
 CRM/Core/BAO/Tag.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CRM/Core/BAO/Tag.php b/CRM/Core/BAO/Tag.php
index 9d7e976b29..0e76178d00 100644
--- a/CRM/Core/BAO/Tag.php
+++ b/CRM/Core/BAO/Tag.php
@@ -100,6 +100,7 @@ class CRM_Core_BAO_Tag extends CRM_Core_DAO_Tag {
     $dao = CRM_Core_DAO::executeQuery($sql, CRM_Core_DAO::$_nullArray, TRUE, NULL, FALSE, FALSE);
 
     $refs = array();
+    $this->tree = array();
     while ($dao->fetch()) {
       $thisref = &$refs[$dao->id];
 
@@ -115,7 +116,6 @@ class CRM_Core_BAO_Tag extends CRM_Core_DAO_Tag {
         $refs[$dao->parent_id]['children'][$dao->id] = &$thisref;
       }
     }
-
   }
 
   /**
-- 
2.25.1