diff --git a/davtelepot/__init__.py b/davtelepot/__init__.py
index 8eae2d4..ce2a9bd 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__ = "2.1.22"
+__version__ = "2.1.23"
 __maintainer__ = "Davide Testa"
 __contact__ = "t.me/davte"
 
diff --git a/davtelepot/bot.py b/davtelepot/bot.py
index 43988d9..ea4a9c6 100644
--- a/davtelepot/bot.py
+++ b/davtelepot/bot.py
@@ -1662,7 +1662,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
         if isinstance(identifier, dict) and 'from' in identifier:
             identifier = identifier['from']['id']
         assert type(identifier) is int, (
-            "Unable to find a user identifier."
+            f"Unable to find a user identifier. Got `{identifier}`"
         )
         return identifier