diff --git a/davtelepot/__init__.py b/davtelepot/__init__.py
index 398057a..e504cd2 100644
--- a/davtelepot/__init__.py
+++ b/davtelepot/__init__.py
@@ -14,7 +14,7 @@ __author__ = "Davide Testa"
 __email__ = "davide@davte.it"
 __credits__ = ["Marco Origlia", "Nick Lee @Nickoala"]
 __license__ = "GNU General Public License v3.0"
-__version__ = "2.4.20"
+__version__ = "2.4.23"
 __maintainer__ = "Davide Testa"
 __contact__ = "t.me/davte"
 
diff --git a/davtelepot/api.py b/davtelepot/api.py
index a8de1e7..91f9b91 100644
--- a/davtelepot/api.py
+++ b/davtelepot/api.py
@@ -18,7 +18,8 @@ from aiohttp import web
 class TelegramError(Exception):
     """Telegram API exceptions class."""
 
-    def __init__(self, error_code=0, description=None):
+    def __init__(self, error_code=0, description=None, ok=False,
+                 *args, **kwargs):
         """Get an error response and return corresponding Exception."""
         self._code = error_code
         if description is None:
diff --git a/davtelepot/authorization.py b/davtelepot/authorization.py
index 0ace3e2..4738e33 100644
--- a/davtelepot/authorization.py
+++ b/davtelepot/authorization.py
@@ -235,6 +235,16 @@ def get_authorization_function(bot):
 
     def is_authorized(update, user_record=None, authorization_level=2):
         """Return True if user role is at least at `authorization_level`."""
+        if user_record is None:
+            if (
+                    isinstance(update, dict)
+                    and 'from' in update
+                    and isinstance(update['from'], dict)
+                    and 'id' in update['from']
+            ):
+                user_record = bot.db['users'].find_one(
+                    telegram_id=update['from']['id']
+                )
         user_role = bot.Role.get_user_role(user_record=user_record)
         if user_role.code == 0:
             return False
diff --git a/davtelepot/bot.py b/davtelepot/bot.py
index fba6d3c..8df64a3 100644
--- a/davtelepot/bot.py
+++ b/davtelepot/bot.py
@@ -607,6 +607,32 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             if 'switch_pm_parameter' in results:
                 switch_pm_parameter = results['switch_pm_parameter']
             results = results['answer']
+        for result in results:
+            if (
+                    isinstance(result, dict)
+                    and isinstance(result['title'], dict)
+            ):
+                result['title'] = self.get_message(
+                    update=update,
+                    user_record=user_record,
+                    messages=result['title']
+                )
+            if (
+                    isinstance(result, dict)
+                    and 'input_message_content' in result
+                    and isinstance(result['input_message_content'], dict)
+                    and 'message_text' in result['input_message_content']
+                    and isinstance(
+                        result['input_message_content']['message_text'],
+                        dict
+                    )
+            ):
+                result['input_message_content'][
+                    'message_text'] = self.get_message(
+                    update=update,
+                    user_record=user_record,
+                    messages=result['input_message_content']['message_text']
+                )
         try:
             await self.answer_inline_query(
                 update=update,
diff --git a/davtelepot/messages.py b/davtelepot/messages.py
index 651b5e4..5e2071e 100644
--- a/davtelepot/messages.py
+++ b/davtelepot/messages.py
@@ -249,8 +249,8 @@ default_admin_messages = {
         'result': {
             'en': "Last commit: {last_commit}\n"
                   "davtelepot version: {davtelepot_version}",
-            'it': "Ultimo commit: {last_commit}"
-                  "Version di davtelepot: {davtelepot_version}",
+            'it': "Ultimo commit: {last_commit}\n"
+                  "Versione di davtelepot: {davtelepot_version}",
         },
     }
 }