Can you help, I am not having any luck with this error

[mfour-merickson]

Q	A
PHPUnit version	6.5.3
PHP version	7.0.22
Installation Method	Composer
Laravel	5.1.11 (LTS)

PHP Fatal error: Uncaught Illuminate\Contracts\Container\BindingResolutionException: Target [Illuminate\Contracts\Debug\ExceptionHandler] is not instantiable. in /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Container/Container.php:744
Stack trace:
#0 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Container/Container.php(626): Illuminate\Container\Container->build('Illuminate\Cont...', Array)
#1 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(674): Illuminate\Container\Container->make('Illuminate\Cont...', Array)
#2 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(154): Illuminate\Foundation\Application->make('Illuminate\Cont...')
#3 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(79): Illuminate\Foundation\Bootstrap\HandleExceptions->getExceptionHandler()
#4 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleExceptio in /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Container/Container.php on line 744
PHP Fatal error: Uncaught Illuminate\Contracts\Container\BindingResolutionException: Target [Illuminate\Contracts\Debug\ExceptionHandler] is not instantiable. in /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Container/Container.php:744
Stack trace:
#0 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Container/Container.php(626): Illuminate\Container\Container->build('Illuminate\Cont...', Array)
#1 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(674): Illuminate\Container\Container->make('Illuminate\Cont...', Array)
#2 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(154): Illuminate\Foundation\Application->make('Illuminate\Cont...')
#3 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(79): Illuminate\Foundation\Bootstrap\HandleExceptions->getExceptionHandler()
#4 /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/Ha in /var/www/mfour_docker/vendor/laravel/framework/src/Illuminate/Container/Container.php on line 744

[sebastianbergmann]

This is not a discussion or support forum, sorry.