#20953: Fixing potentially corrupted IndexTaskRecord

Work Item: 20953

src/Orchard.Web/Modules/Orchard.Indexing/Services/IndexingTaskManager.cs

@@ -30,6 +30,12 @@ namespace Orchard.Indexing.Services {
                 throw new ArgumentNullException("contentItem");
             }
 
+            if (contentItem.Record == null) {
+                // ignore that case, when Update is called on a content item which has not be "created" yet
+
+                return;
+            }
+
             foreach (var task in _repository.Table.Where(task => task.ContentItemRecord == contentItem.Record)) {
                 _repository.Delete(task);
             }