laravel PHP Fatal error: Uncaught ReflectionException: Class App\Exceptions\Handler does not exist?

laravel-5.2 migration problem?
if I enter php artisan migrate command then return this error pls help me...
problem this line: vendor\laravel\framework\src\Illuminate\Container\Container.php(629) vendor\laravel\framework\src\Illuminate\Foundation\Application.php(697) vendor\laravel\framework\src\Illuminate\Container\Container.php(230) vendor\laravel\framework\src\Illuminate\Container\Container.php(731) vendor\laravel\framework\src\Illuminate\Container\Container.php:734

PS D:\xampp\htdocs\newsflash-2021-01-16> php artisan migrate PHP Fatal error: Uncaught ReflectionException: Class App\Exceptions\Handler does not exist in

D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php:734 Stack trace:

#0 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(734): ReflectionClass->__construct('App\\Exceptions\\...')

#1 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(629): Illuminate\Container\Container->build('App\\Exceptions\\...', Array)

#2 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(697): Illuminate\Container\Container->make('App\\Exceptions\\...', Array)

#3 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(230): Illuminate\Foundation\Application->make('App\\Exceptions\\...', Array)

#4 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(731): Illuminate\Cont in D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php on line 734

PHP Fatal error: Uncaught ReflectionException: Class App\Exceptions\Handler does not exist in D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php:734

Stack trace: #0 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(734): ReflectionClass->__construct('App\\Exceptions\\...')

#1 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(629): Illuminate\Container\Container->build('App\\Exceptions\\...', Array)

#2 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(697): Illuminate\Container\Container->make('App\\Exceptions\\...', Array)

#3 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(230): Illuminate\Foundation\Application->make('App\\Exceptions\\...', Array)

#4 D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php(731): Illuminate\Cont in D:\xampp\htdocs\newsflash-2021-01-16\vendor\laravel\framework\src\Illuminate\Container\Container.php on line 734

via Chebli Mohamed