Django: 'current_tags' is not a valid tag library

Question

I have a small Django project I received from a friend. The code works perfectly on his system. However, on my system I get the following error message when running the serv

Answer 1

In my case I have created library instance using tag variable instead of register variable

tag = template.Library()

But it should be

register = template.Library()

To be a valid tag library, the module must contain a module-level variable named register that is a template.Library instance, in which all the tags and filters are registered