Laravel错误未捕获异常'ReflectionException'，消息'Class App \ Http \ Kernel不存在'

Question

When I wanted to add form in my laravel 5.2 project I got some errors in composer. After that My whole project got a strange error bellow :

Fatal error: Uncaught exception 'ReflectionException' with message 'Class App\\Http\\Kernel does not exist' in C:\\xampp\\htdocs\\gifkadeh\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php:738 Stack trace: #0 C:\\xampp\\htdocs\\gifkadeh\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(738): ReflectionClass->__construct('App\\Http\\Kernel') #1 C:\\xampp\\htdocs\\gifkadeh\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(633): Illuminate\\Container\\Container->build('App\\Http\\Kernel', Array) #2 C:\\xampp\\htdocs\\gifkadeh\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Application.php(697): Illuminate\\Container\\Container->make('App\\Http\\Kernel', Array) #3 C:\\xampp\\htdocs\\gifkadeh\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(230): Illuminate\\Foundation\\Application->make('App\\Http\\Kernel', Array) #4 C:\\xampp\\htdocs\\gifkadeh\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php(735): Illuminate\\Container\\Container->Illuminate\\Containe r{closure}(Object(Illuminate in C:\\xampp\\htdocs\\gifkadeh\\vendor\\laravel\\framework\\src\\Illuminate\\Container\\Container.php on line 738

Answer 1

Sometimes dependencies are incompatible or have some bugs. You can try to:

1. restore your old composer.lock file
2. delete vendor folder
3. execute 'composer install'