From a67b3cfa00d31ebce3c9fc8d702a83b545bccf9a Mon Sep 17 00:00:00 2001
From: ElenaRepository <50620495+ElenaRepository@users.noreply.github.com>
Date: Thu, 5 Dec 2019 21:04:56 +0100
Subject: [PATCH] Fix bug field index part handler (#8294)

---
 .../Orchard.Projections/Handlers/FieldIndexPartHandler.cs  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Orchard.Web/Modules/Orchard.Projections/Handlers/FieldIndexPartHandler.cs b/src/Orchard.Web/Modules/Orchard.Projections/Handlers/FieldIndexPartHandler.cs
index faa2ca07c..e5100c7f3 100644
--- a/src/Orchard.Web/Modules/Orchard.Projections/Handlers/FieldIndexPartHandler.cs
+++ b/src/Orchard.Web/Modules/Orchard.Projections/Handlers/FieldIndexPartHandler.cs
@@ -48,7 +48,10 @@ namespace Orchard.Projections.Handlers {
             }
         }
         private void Updated(UpdateContentContext context, FieldIndexPart fieldIndexPart) {
-            if (context.UpdatingItemVersionRecord.Latest) { // updates projection draft indexes only if it is the latest version
+            // there are two different item types: saved in memory and saved to db
+            // those saved in memory don't have correctly the populated record and this generate NullReferenceException
+            if (context.UpdatingItemVersionRecord != null && context.UpdatingItemVersionRecord.Latest) {
+                // updates projection draft indexes only if it is the latest version
                 DescribeValuesToindex(fieldIndexPart, (indexServiceContext) => {
                     _draftFieldIndexService.Set(fieldIndexPart,
                     indexServiceContext.LocalPart.PartDefinition.Name,
@@ -113,4 +116,4 @@ namespace Orchard.Projections.Handlers {
 
         }
     }
-}
\ No newline at end of file
+}