Express Framework Fundamentals - Secure Sign-Up with Auth0 and Node.js - Update Fetch Locals into Response

The video tutorial addresses an error encountered when signing into an application using Express. The instructor identifies an active count error and reviews the code to find a solution. The tutorial involves updating the code to include a function that fetches active counts, followed by testing the fix to ensure it works. The video concludes with a successful implementation of the functionality, emphasizing the importance of the index page in the application.

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