Fixing 'undefined method `validatable?' for nil:NilClass' Error in Devise

In this video, we tackle a common issue faced by developers using Devise in their Ruby on Rails applications: the dreaded 'undefined method `validatable?' for nil:NilClass' error. We'll explore the root causes of this error, provide step-by-step solutions, and share best practices to prevent it from occurring in the future. Whether you're a beginner or an experienced developer, this guide will help you navigate this frustrating problem and get your authentication system back on track.

Today's Topic: Fixing 'undefined method `validatable?' for nil:NilClass' Error in Devise

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