From 7a313f9c12a6e7494726cd43b855c59100ce92c7 Mon Sep 17 00:00:00 2001
From: Adam Simon <adamosimoni@gmail.com>
Date: Thu, 8 Feb 2024 22:37:15 +0100
Subject: [PATCH] Improve message of error 1103

---
 src/ConfigFetcher.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ConfigFetcher.php b/src/ConfigFetcher.php
index 2cdddd0..e54f548 100644
--- a/src/ConfigFetcher.php
+++ b/src/ConfigFetcher.php
@@ -187,7 +187,9 @@ private function sendConfigFetchRequest(?string $etag, string $url): FetchRespon
 
             return FetchResponse::failure(InternalLogger::format($message, $messageCtx));
         } catch (ClientExceptionInterface $exception) {
-            $message = 'Unexpected error occurred while trying to fetch config JSON.';
+            $message = 'Unexpected error occurred while trying to fetch config JSON. '.
+                'It is most likely due to a local network issue. '.
+                'Please make sure your application can reach the ConfigCat CDN servers (or your proxy server) over HTTP.';
             $messageCtx = ['event_id' => 1103, 'exception' => $exception];
             $this->logger->error($message, $messageCtx);