From 7604bf28e6610df3f0c326cad6ac5d1b7979ed14 Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Sun, 26 Sep 2021 20:46:49 +1000
Subject: [PATCH] Set nullable type for Backup

---
 app/Transformers/InvoiceHistoryTransformer.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/Transformers/InvoiceHistoryTransformer.php b/app/Transformers/InvoiceHistoryTransformer.php
index 2c83cc76b3d2..fa8341e7972b 100644
--- a/app/Transformers/InvoiceHistoryTransformer.php
+++ b/app/Transformers/InvoiceHistoryTransformer.php
@@ -27,8 +27,11 @@ class InvoiceHistoryTransformer extends EntityTransformer
         'activity',
     ];
 
-    public function transform(Backup $backup)
+    public function transform(?Backup $backup)
     {
+        if(!$backup)
+            return [];
+
         return [
             'id' => $this->encodePrimaryKey($backup->id),
             'activity_id' => $this->encodePrimaryKey($backup->activity_id),