From 5dc5d8fe57989fdef5e2a33f8ba3448058f53caa Mon Sep 17 00:00:00 2001
From: Muhammad Farhan <farhan@swingtech.co.uk>
Date: Mon, 7 Jun 2021 19:43:33 +0100
Subject: [PATCH] Update Email.php

fix for undefined index cid error
---
 system/Email/Email.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/system/Email/Email.php b/system/Email/Email.php
index 90d788959fa7..55a6a0c4e654 100644
--- a/system/Email/Email.php
+++ b/system/Email/Email.php
@@ -760,7 +760,7 @@ public function setAttachmentCID($filename)
 
                 $this->attachments[$i]['cid'] = uniqid(basename($attachment['name'][0]) . '@', true);
 
-                return $attachment['cid'];
+                return $this->attachments[$i]['cid'];
             }
         }