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

For me, it was the mistake of putting quotes around the library name in load tag.

WRONG: {% load 'library_name' %}

CORRECT: {% load library_name %}

Refer to other answers too. I solved a couple of those problems too before landing here.