If you’ve encountered the FatalError with the message “Trait ‘Illuminate\Foundation\Auth\AuthenticatesUsers’ not found” in your Laravel application, don’t worry. we’ll explore the issue and provide you with a step-by-step solution to resolve the error.

Understanding the Issue

The error indicates that the Illuminate\Foundation\Auth\AuthenticatesUsers trait, which is used in the AdminLoginController, cannot be found. This trait is responsible for handling user authentication functionality in Laravel applications.

Error Context

Here’s a snippet of the code where the error is occurring:

use Illuminate\Foundation\Auth\AuthenticatesUsers;

class AdminLoginController extends Controller
{
    use AuthenticatesUsers;

    // Other code...
}

Solution: Adding the Missing Trait

To resolve this issue, you need to ensure that the AuthenticatesUsers trait is available. Starting from Laravel 7, the AuthenticatesUsers trait is part of the laravel/ui package. If you’ve recently upgraded your Laravel version, you might need to update your dependencies.

Steps to Resolve

1. Open your composer.json file.
2. Add or update the version of laravel/ui in the require section:

"require": {
    "php": "^8.1",
    "laravel/ui": "^4.2",
    // ... other dependencies
}

or run the following command:

composer require laravel/ui "^4.2"

Run the Composer update command to apply the changes:

composer update

By ensuring that the laravel/ui package is at the correct version, you resolve the issue of the missing AuthenticatesUsers trait. Remember to keep your dependencies up to date, especially when upgrading Laravel versions, to benefit from the latest features and bug fixes.