[Bugfix]

cron.py

@@ -18,7 +18,10 @@ def send_notification(maintainer, player, property, old_value, new_value):
         AND player = ?
         AND property = 'name';"""
     cur.execute(query, (maintainer, player))
-    name = cur.fetchone()['value']
+    name = '?'
+    val = cur.fetchone()
+    if val:
+        name = val['value']
     message = f"{name} [{player}] property '{property}' changed from {old_value} to {new_value}"
     message_json = {"content": message}
     response = requests.post(url, json=message_json)