fix error when no db

velconnect/routes/api.py

@@ -322,6 +322,7 @@ def has_permission(data_block: dict, user_uuid: str) -> bool:
 def replace_userid_with_name(data_block: dict):
     if data_block['owner_id'] is not None:
         user = get_user_dict(data_block['owner_id'])
+        if user is not None:
             data_block['owner_name'] = user['username']
     del data_block['owner_id']