From 86b098ccf5d3db3597a50d38b74b4ce81dd6d2d8 Mon Sep 17 00:00:00 2001
From: Robbie Averill <robbie@silverstripe.com>
Date: Fri, 23 Mar 2018 11:10:13 +1300
Subject: [PATCH] FIX Disable versioned GridField extensions - it conflicts
 with UserFormRecipientItemRequest

---
 code/Model/Recipient/EmailRecipient.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/code/Model/Recipient/EmailRecipient.php b/code/Model/Recipient/EmailRecipient.php
index e95d72e..86813dd 100644
--- a/code/Model/Recipient/EmailRecipient.php
+++ b/code/Model/Recipient/EmailRecipient.php
@@ -90,6 +90,13 @@ class EmailRecipient extends DataObject
 
     private static $table_name = 'UserDefinedForm_EmailRecipient';
 
+    /**
+     * Disable versioned GridField to ensure that it doesn't interfere with {@link UserFormRecipientItemRequest}
+     *
+     * {@inheritDoc}
+     */
+    private static $versioned_gridfield_extensions = false;
+
     /**
      * Setting this to true will allow you to select "risky" fields as
      * email recipient, such as free-text entry fields.