From 49afcd5855d6610e41c1bdab0f99f2a8698f686a Mon Sep 17 00:00:00 2001
From: Markus Frosch <markus.frosch@icinga.com>
Date: Tue, 22 May 2018 10:50:57 +0200
Subject: [PATCH] Sync: Only prefetch relations for IcingaObject

So DatalistEntry can be synced

fixes #1048
---
 library/Director/Import/Sync.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/library/Director/Import/Sync.php b/library/Director/Import/Sync.php
index 715d7660..0c03f5ce 100644
--- a/library/Director/Import/Sync.php
+++ b/library/Director/Import/Sync.php
@@ -816,7 +816,10 @@ class Sync
     {
         PrefetchCache::initialize($this->db);
 
-        IcingaObject::prefetchAllRelationsByType($this->rule->object_type, $this->db);
+        $dummy = IcingaObject::createByType($this->rule->object_type);
+        if ($dummy instanceof IcingaObject) {
+            IcingaObject::prefetchAllRelationsByType($this->rule->object_type, $this->db);
+        }
 
         return $this;
     }