Fatal error: Uncaught UnexpectedValueException: The stream or file "/var/www/users/oleg/projects/QDialer/storage/logs/laravel.log" could not be opened in append mode: Failed to open stream: Permission denied The exception occurred while attempting to log: json_decode(): Argument #1 ($json) must be of type string, array given Context: {"exception":{}} in /var/www/users/oleg/projects/QDialer/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php:157 Stack trace: #0 /var/www/users/oleg/projects/QDialer/vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.php(48): Monolog\Handler\StreamHandler->write() #1 /var/www/users/oleg/projects/QDialer/vendor/monolog/monolog/src/Monolog/Logger.php(400): Monolog\Handler\AbstractProcessingHandler->handle() #2 /var/www/users/oleg/projects/QDialer/vendor/monolog/monolog/src/Monolog/Logger.php(651): Monolog\Logger->addRecord() #3 /var/www/users/oleg/projects/QDialer/vendor/laravel/framework/src/Illuminate/Log/Logger.php(183): Monolog\Logger->error() #4 /var/www/users/oleg/projects/QDialer/vendor/laravel/framework/src/Illuminate/Log/Logger.php(94): Illuminate\Log\Logger->writeLog() #5 /var/www/users/oleg/projects/QDialer/vendor/laravel/framework/src/Illuminate/Log/LogManager.php(645): Illuminate\Log\Logger->error() #6 /var/www/users/oleg/projects/QDialer/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(274): Illuminate\Log\LogManager->error() #7 /var/www/users/oleg/projects/QDialer/app/Exceptions/Handler.php(33): Illuminate\Foundation\Exceptions\Handler->report() #8 /var/www/users/oleg/projects/QDialer/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(481): App\Exceptions\Handler->report() #9 /var/www/users/oleg/projects/QDialer/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(136): Illuminate\Foundation\Http\Kernel->reportException() #10 /var/www/users/oleg/projects/QDialer/app/Http/Kernel.php(53): Illuminate\Foundation\Http\Kernel->handle() #11 /var/www/users/oleg/projects/QDialer/public/index.php(55): App\Http\Kernel->handle() #12 {main} thrown in /var/www/users/oleg/projects/QDialer/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php on line 157