From 3428ab1e8952efa9a5f3811c4f96b420bb9d1971 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Fri, 3 Sep 2021 08:31:51 +0200
Subject: [PATCH] Added a comment to easily diagnose issue #1648

---
 src/ArduinoJson/Deserialization/Reader.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ArduinoJson/Deserialization/Reader.hpp b/src/ArduinoJson/Deserialization/Reader.hpp
index 9ae2d598..20f77afe 100644
--- a/src/ArduinoJson/Deserialization/Reader.hpp
+++ b/src/ArduinoJson/Deserialization/Reader.hpp
@@ -17,7 +17,7 @@ struct Reader {
   Reader(TSource& source) : _source(&source) {}
 
   int read() {
-    return _source->read();
+    return _source->read();  // Error here? You passed an unsupported input type
   }
 
   size_t readBytes(char* buffer, size_t length) {