diff --git a/botlib/helper.py b/botlib/helper.py
index 179da96..88c7b6a 100755
--- a/botlib/helper.py
+++ b/botlib/helper.py
@@ -2,6 +2,7 @@
 import re
 import os  # utime, getmtime
 import time  # mktime, time
+import traceback  # format_exc
 from sys import stderr
 from html import unescape
 from datetime import datetime
@@ -22,11 +23,14 @@ class Log:
                 fp.write(msg + '\n')
 
     @staticmethod
-    def error(e: str) -> None:
+    def error(e: Union[str, Exception]) -> None:
         ''' Log error message (incl. current timestamp) '''
-        msg = '{} [ERROR] {}'.format(datetime.now(), e)
+        msg = '{} [ERROR] {}'.format(
+            datetime.now(), e if isinstance(e, str) else repr(e))
         print(msg, file=stderr)
         Log._log_if(0, msg)
+        if isinstance(e, Exception):
+            Log._log_if(0, traceback.format_exc())
 
     @staticmethod
     def info(m: str) -> None:
diff --git a/botlib/tgclient.py b/botlib/tgclient.py
index a78b60d..7d0f7f1 100755
--- a/botlib/tgclient.py
+++ b/botlib/tgclient.py
@@ -42,7 +42,7 @@ class TGClient(telebot.TeleBot):
                         self.onKillCallback()
                     return
                 except Exception as e:
-                    Log.error(repr(e))
+                    Log.error(e)
                     Log.info('Auto-restart in 15 sec ...')
                     sleep(15)
                     _fn()
@@ -91,7 +91,7 @@ class TGClient(telebot.TeleBot):
         try:
             return self.send_message(chat_id, msg, **kwargs)
         except Exception as e:
-            Log.error(repr(e))
+            Log.error(e)
             sleep(45)
             return None