From d4f5e67243803c4e5762ca8e0f966a12f3d11ae4 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 24 Dec 2021 12:01:24 +0300
Subject: [PATCH] Fix getSponsoredMessage.

---
 td/telegram/SponsoredMessageManager.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/td/telegram/SponsoredMessageManager.cpp b/td/telegram/SponsoredMessageManager.cpp
index a3d08edeb..6f34de237 100644
--- a/td/telegram/SponsoredMessageManager.cpp
+++ b/td/telegram/SponsoredMessageManager.cpp
@@ -187,6 +187,9 @@ td_api::object_ptr<td_api::sponsoredMessage> SponsoredMessageManager::get_sponso
 
 td_api::object_ptr<td_api::sponsoredMessage> SponsoredMessageManager::get_sponsored_message_object(
     DialogId dialog_id, const DialogSponsoredMessages &sponsored_messages) const {
+  if (sponsored_messages.messages.empty()) {
+    return nullptr;
+  }
   auto pos = Random::fast(0, static_cast<int>(sponsored_messages.messages.size()) - 1);
   return get_sponsored_message_object(dialog_id, sponsored_messages.messages[pos]);
 }