From 30db5af5b596e267db136a218209a65cc9fde36e Mon Sep 17 00:00:00 2001
From: brandonkelly <brandon@pixelandtonic.com>
Date: Wed, 21 Feb 2018 03:59:22 -0800
Subject: [PATCH] Fixed #2463

---
 CHANGELOG-v3.md                  | 3 +++
 src/services/AssetTransforms.php | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG-v3.md b/CHANGELOG-v3.md
index 6f8a724a59b..0d793f0a00f 100644
--- a/CHANGELOG-v3.md
+++ b/CHANGELOG-v3.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+### Fixed
+- Fixed an error that occurred when creating a new transform or thumbnail for a remotely-stored image, if Craft didn’t already have a copy of the image cached locally. ([#2463](https://github.com/craftcms/cms/issues/2463))
+
 ## 3.0.0-RC11 - 2018-02-20
 
 ### Added
diff --git a/src/services/AssetTransforms.php b/src/services/AssetTransforms.php
index 646080c31c9..ead54fd18f0 100644
--- a/src/services/AssetTransforms.php
+++ b/src/services/AssetTransforms.php
@@ -816,7 +816,7 @@ public function getLocalImageSource(Asset $asset): string
                 if (!is_file($imageSourcePath) || filesize($imageSourcePath) === 0) {
 
                     // Delete it just in case it's a 0-byter
-                    if (!FileHelper::unlink($imageSourcePath)) {
+                    if (file_exists($imageSourcePath) && !FileHelper::unlink($imageSourcePath)) {
                         Craft::warning("Unable to delete the file \"{$imageSourcePath}\".", __METHOD__);
                     }