From d2944d8402ff2a50b89b492bf154efdeb2fa31f3 Mon Sep 17 00:00:00 2001
From: Aaron Carlino <unclecheese@leftandmain.com>
Date: Wed, 18 May 2016 13:41:54 +1200
Subject: [PATCH] BUGFIX: Ensure array before setByIDList()

---
 code/FileAttachmentField.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/FileAttachmentField.php b/code/FileAttachmentField.php
index c08291a..60258da 100644
--- a/code/FileAttachmentField.php
+++ b/code/FileAttachmentField.php
@@ -210,7 +210,7 @@ public function saveInto(DataObjectInterface $record) {
             }
         }
 
-        if($relation = $this->getRelation()) {
+        if(($relation = $this->getRelation()) && is_array($this->Value())) {
             $relation->setByIDList($this->Value());
         } elseif($record->has_one($fieldname)) {
             $record->{"{$fieldname}ID"} = $this->Value() ?: 0;