Page not found 404 Django

Why This Happens

In Django, no url pattern matches the requested path. This is one of the most common Django errors developers encounter. Understanding the root cause helps you fix it quickly and prevent it from recurring.

The Problem

# visiting /nonexistent/

The Fix

# Check urls.py patterns
# Add a catch-all or custom 404 handler

Step-by-Step Fix

1. 1

   Identify the error

   Look at the error message: Resolver404. This tells you exactly what went wrong.

2. 2

   Find the cause

   Check the stack trace to find which line of your Django code triggered this error.

3. 3

   Apply the fix

   Use the corrected code pattern shown above. Test to confirm the error is resolved.