From b08be6ecc08c816f1af951ef0d973fb920223d40 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Thu, 19 Jan 2017 13:55:59 +0100
Subject: [PATCH] DirectorDatafield: do not fail on missing command

refs #712
refs #731
---
 library/Director/Objects/DirectorDatafield.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/Director/Objects/DirectorDatafield.php b/library/Director/Objects/DirectorDatafield.php
index 2ce4921f..ba0cbab6 100644
--- a/library/Director/Objects/DirectorDatafield.php
+++ b/library/Director/Objects/DirectorDatafield.php
@@ -122,6 +122,9 @@ class DirectorDatafield extends DbObjectWithSettings
                 try {
                     /** @var IcingaCommand $command */
                     $command = $object->getResolvedRelated('check_command');
+                    if ($command === null) {
+                        return;
+                    }
                     $inherited = $command->vars()->get($varname);
                     $inheritedFrom = null;