Runtime Terror

I want to do it with dynamic array by retrieving value from firebase because array size depends on number of childs but unable to do so . How can I...

Facing issue in project

2

PS C:\Users\Dell\Django> python manage.py runserver Unhandled exception in thread started by Traceback (most recent call last): File "C:\Users\Dell\AppData\Local\Programs\Python\Python36\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper fn(*args, **kwargs) File "C:\Users\Dell\AppData\Local\Programs\Python\Python36\lib\site-packages\django\core\management\commands\runserver.py", line 113, in inner_run...