From ce8650b4deffea0ddefaa793cf0f5becc930276e Mon Sep 17 00:00:00 2001
From: AlexeyZavar <sltkval1@gmail.com>
Date: Sat, 8 Mar 2025 23:58:27 +0300
Subject: [PATCH] fix: create a copy of selected TTL messages

---
 Telegram/SourceFiles/data/data_session.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/data/data_session.cpp b/Telegram/SourceFiles/data/data_session.cpp
index b7412bcb03..68f9a092a8 100644
--- a/Telegram/SourceFiles/data/data_session.cpp
+++ b/Telegram/SourceFiles/data/data_session.cpp
@@ -2573,7 +2573,9 @@ void Session::checkTTLs() {
 			}) | ranges::views::transform([](const auto &pair) {
 				return pair.second;
 			}) | ranges::views::join;
-		for (auto &item : toBeRemoved) {
+
+		auto itemsToProcess = toBeRemoved | ranges::to_vector;
+		for (const auto &item : itemsToProcess) {
 			// remove message from `_ttlMessages` to avoid calling this method infinitely
 			item->applyTTL(0);