Catching AttributeError in autofill functions when invalid variables are sent.

utilities/utils.py

@@ -50,6 +50,7 @@ def autofill_category_users(guild_id: int, table_name: str, category_name: str,
         list[str]: List of users that start with user_begin.
     """
 
+    try:
         users_list: "list[str]" = (
             highscores_data.get_guild(guild_id).get_table(table_name).get_category(category_name).get_users()
         )
@@ -63,6 +64,9 @@ def autofill_category_users(guild_id: int, table_name: str, category_name: str,
 
         return users
 
+    except AttributeError:
+        return []
+
 
 def autofill_tables(guild_id: int, table_begin: str) -> "list[str]":
     """
@@ -102,6 +106,7 @@ def autofill_users(guild_id: int, table_name: str, category_name: str, user_begi
         list[str]: List of users that start with user_begin.
     """
 
+    try:
         # If no category name, get all users in table.
         if category_name is None:
             user_set: set = set()
@@ -124,6 +129,9 @@ def autofill_users(guild_id: int, table_name: str, category_name: str, user_begi
 
         return users
 
+    except AttributeError:
+        return []
+
 
 def format_highscore_message(guild: Guild, table: Table) -> str:
     """