diff --git a/app/config.py b/app/config.py
index 87b3b37..3e2a6af 100644
--- a/app/config.py
+++ b/app/config.py
@@ -1,3 +1,4 @@
+import traceback
 import sys
 import os
 
@@ -14,23 +15,26 @@ try:
     api_id = int(os.environ["API_ID"])
     api_hash = os.environ["API_HASH"]
 except (KeyError, ValueError):
-    print("Please set the API_ID and API_HASH environment variables correctly")
+    traceback.print_exc()
+    print("\n\nPlease set the API_ID and API_HASH environment variables correctly")
     print("You can get your own API keys at https://my.telegram.org/apps")
     sys.exit(1)
 
 try:
-    chat_id_raw = os.environ["CHAT_ID"]
-    chat_ids = [int(chat_id) for chat_id in chat_id_raw.split(' ')]
+    chat_id_raw = os.environ["CHAT_ID"].strip()
+    chat_ids = [int(chat_id.strip()) for chat_id in chat_id_raw.split(' ')]
     alias_ids = []
 except (KeyError, ValueError):
-    print("Please set the CHAT_ID environment variable correctly")
+    traceback.print_exc()
+    print("\n\nPlease set the CHAT_ID environment variable correctly")
     sys.exit(1)
 
 try:
     session_string = os.environ["SESSION_STRING"]
 except (KeyError, ValueError):
-    print("Please set the SESSION_STRING environment variable correctly")
+    traceback.print_exc()
+    print("\n\nPlease set the SESSION_STRING environment variable correctly")
     sys.exit(1)
 
 host = os.environ.get("HOST", "0.0.0.0")
-debug = bool(os.environ.get("DEBUG"))
+debug = True