diff --git a/td b/td
index ebeaf7f..70e15f4 160000
--- a/td
+++ b/td
@@ -1 +1 @@
-Subproject commit ebeaf7f90e733441f417a52dee7920f6b76c8f71
+Subproject commit 70e15f4707d19a96bb79242c8f6be1b16ac5875f
diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index d8b943e..71dcb90 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -69,7 +69,7 @@ void Client::fail_query_with_error(PromisedQueryPtr query, int32 error_code, Sli
         return query->set_retry_after_error(r_retry_after.ok());
       }
     }
-    LOG(ERROR) << "Wrong error message: " << error_message;
+    LOG(ERROR) << "Wrong error message: " << error_message << " from " << *query;
     return fail_query(500, error_message, std::move(query));
   }
   int32 real_error_code = error_code;
@@ -125,8 +125,6 @@ void Client::fail_query_with_error(PromisedQueryPtr query, int32 error_code, Sli
     } else if (error_message == "MESSAGE_DELETE_FORBIDDEN") {
       error_code = 400;
       error_message = Slice("message can't be deleted");
-    } else if (error_message == "Requested data is inaccessible") {
-      LOG(ERROR) << "Receive 'Requested data is inaccessible' from " << *query;
     }
   }
   Slice prefix;
@@ -146,11 +144,11 @@ void Client::fail_query_with_error(PromisedQueryPtr query, int32 error_code, Sli
     case 500:
       prefix = Slice("Internal Server Error");
       if (real_error_message != Slice("Request aborted")) {
-        LOG(ERROR) << "Receive Internal Server Error: " << real_error_message;
+        LOG(ERROR) << "Receive Internal Server Error \"" << real_error_message << "\" from " << *query;
       }
       break;
     default:
-      LOG(ERROR) << "Unsupported error " << real_error_code << ": " << real_error_message;
+      LOG(ERROR) << "Unsupported error " << real_error_code << ": " << real_error_message << " from " << *query;
       return fail_query(400, PSLICE() << "Bad Request: " << error_message, std::move(query));
   }
 
@@ -159,7 +157,7 @@ void Client::fail_query_with_error(PromisedQueryPtr query, int32 error_code, Sli
   } else {
     td::string error_str = prefix.str();
     if (error_message.empty()) {
-      LOG(ERROR) << "Empty error message with code " << real_error_code;
+      LOG(ERROR) << "Empty error message with code " << real_error_code << " from " << *query;
     } else {
       error_str += ": ";
       if (error_message.size() >= 2u &&
@@ -4531,7 +4529,7 @@ void Client::on_update_authorization_state() {
       parameters->api_hash_ = parameters_->api_hash_;
       parameters->system_language_code_ = "en";
       parameters->device_model_ = "server";
-      parameters->application_version_ = "5.1";
+      parameters->application_version_ = parameters_->version_;
       parameters->enable_storage_optimizer_ = true;
       parameters->ignore_file_names_ = true;
 
@@ -9162,6 +9160,9 @@ void Client::add_group(std::unordered_map<int32, GroupInfo> &groups, object_ptr<
   group_info->kicked = group->status_->get_id() == td_api::chatMemberStatusBanned::ID;
   group_info->is_active = group->is_active_;
   group_info->upgraded_to_supergroup_id = group->upgraded_to_supergroup_id_;
+  if (!group_info->left && !group_info->kicked && group_info->member_count == 0) {
+    group_info->member_count = 1;
+  }
 }
 
 const Client::GroupInfo *Client::get_group_info(int32 group_id) const {
diff --git a/telegram-bot-api/ClientParameters.h b/telegram-bot-api/ClientParameters.h
index 7a2560b..d5dd569 100644
--- a/telegram-bot-api/ClientParameters.h
+++ b/telegram-bot-api/ClientParameters.h
@@ -66,6 +66,8 @@ struct ClientParameters {
   td::int32 api_id_ = 0;
   td::string api_hash_;
 
+  td::string version_;
+
   td::int32 default_max_webhook_connections_ = 0;
   td::IPAddress webhook_proxy_ip_address_;
 
diff --git a/telegram-bot-api/telegram-bot-api.cpp b/telegram-bot-api/telegram-bot-api.cpp
index f2f6706..fcd5024 100644
--- a/telegram-bot-api/telegram-bot-api.cpp
+++ b/telegram-bot-api/telegram-bot-api.cpp
@@ -134,6 +134,7 @@ int main(int argc, char *argv[]) {
   auto start_time = td::Time::now();
   auto shared_data = std::make_shared<SharedData>();
   auto parameters = std::make_unique<ClientParameters>();
+  parameters->version_ = "5.1";
   parameters->shared_data_ = shared_data;
   parameters->start_time_ = start_time;
   auto net_query_stats = td::create_net_query_stats();
@@ -412,7 +413,7 @@ int main(int argc, char *argv[]) {
 
   // LOG(WARNING) << "Bot API server with commit " << td::GitInfo::commit() << ' '
   //              << (td::GitInfo::is_dirty() ? "(dirty)" : "") << " started";
-  LOG(WARNING) << "Bot API server started";
+  LOG(WARNING) << "Bot API " << parameters->version_ << " server started";
 
   const int threads_n = 5;  // +3 for Td, one for slow HTTP connections and one for DNS resolving
   td::ConcurrentScheduler sched;