diff --git a/src/Facebook/Exceptions/FacebookResponseException.php b/src/Facebook/Exceptions/FacebookResponseException.php
index 72bd0bda3..9cac6931f 100644
--- a/src/Facebook/Exceptions/FacebookResponseException.php
+++ b/src/Facebook/Exceptions/FacebookResponseException.php
@@ -74,7 +74,7 @@ public static function create(FacebookResponse $response)
             $data = ['error' => $data];
         }
 
-        $code = isset($data['error']['code']) ? $data['error']['code'] : null;
+        $code = isset($data['error']['code']) ? $data['error']['code'] : 0;
         $message = isset($data['error']['message']) ? $data['error']['message'] : 'Unknown error from Graph.';
 
         if (isset($data['error']['error_subcode'])) {
diff --git a/src/Facebook/GraphNodes/Collection.php b/src/Facebook/GraphNodes/Collection.php
index 42e1f0dff..9603002a8 100644
--- a/src/Facebook/GraphNodes/Collection.php
+++ b/src/Facebook/GraphNodes/Collection.php
@@ -184,6 +184,7 @@ public function offsetExists($offset): bool
     /**
      * Get an item at a given offset.
      */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return $this->items[$offset] ?? null;