diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index e5f3f0a2..48732e23 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -6961,7 +6961,8 @@ void MessagesManager::on_get_history(DialogId dialog_id, MessageId from_message_
         }
       }
     }
-    CHECK(d->first_database_message_id.is_valid());
+    CHECK(d->first_database_message_id.is_valid())
+        << from_the_end << " " << last_added_message_id << " " << last_message_id << " " << d->last_database_message_id;
     CHECK(d->last_database_message_id.is_valid());
 
     for (auto &first_message_id : d->first_database_message_id_by_index) {
diff --git a/td/telegram/files/FileDb.cpp b/td/telegram/files/FileDb.cpp
index ad54c897..802dc0a5 100644
--- a/td/telegram/files/FileDb.cpp
+++ b/td/telegram/files/FileDb.cpp
@@ -266,7 +266,7 @@ class FileDb : public FileDbInterface {
       send_closure(file_db_actor_id, &FileDbActor::optimize_refs, std::move(ids), id);
     }
     //LOG(DEBUG) << "By id " << id << " found data " << format::as_hex_dump<4>(Slice(data_str));
-    LOG(INFO) << attempt_count;
+    //LOG(INFO) << attempt_count;
 
     FileData data;
     auto status = unserialize(data, data_str);