fix indexer

app/core/background/indexer_service.py

@@ -217,6 +217,7 @@ async def indexer_loop(memory, platform_found: bool, seqno: int) -> [bool, int]:
                         encrypted_stored_content.user_id = user_wallet_connection.user_id
                         user = user_wallet_connection.user
 
+                    if user:
                         user_uploader_wrapper = Wrapped_CBotChat(memory._telegram_bot, chat_id=user.telegram_id, user=user, db_session=session)
                         await user_uploader_wrapper.send_message(
                             user.translated('p_contentWasIndexed').format(