From 82e72d062f99880c0b3dc74cf8c3384c430d4afd Mon Sep 17 00:00:00 2001
From: Damian Mooyman <damian@silverstripe.com>
Date: Mon, 19 Sep 2016 16:46:59 +1200
Subject: [PATCH] BUG prevent form data / validation persisting in state when
 using form schema

---
 admin/code/LeftAndMain.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/admin/code/LeftAndMain.php b/admin/code/LeftAndMain.php
index 27539e2fd..51891a46c 100644
--- a/admin/code/LeftAndMain.php
+++ b/admin/code/LeftAndMain.php
@@ -341,6 +341,10 @@ class LeftAndMain extends Controller implements PermissionProvider {
 			$data = $this->getSchemaForForm($form);
 			$response = new HTTPResponse(Convert::raw2json($data));
 			$response->addHeader('Content-Type', 'application/json');
+
+			// Clear non-schema form validation / data / message
+			// since it does not need to be redirected
+			$form->clearMessage();
 			return $response;
 		}
 		return null;