Aponta esse erro:

UnexpectedValueException thrown with message \"The stream or file \"/var/www/html/curso-laravel/introducao/storage/logs/laravel-2019-02-28.log\" could not be opened: failed to open stream: Permission denied\"

Stacktrace:
#11 UnexpectedValueException in /var/www/html/curso-laravel/introducao/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php:107
#10 Monolog\\Handler\\StreamHandler:write in /var/www/html/curso-laravel/introducao/vendor/monolog/monolog/src/Monolog/Handler/RotatingFileHandler.php:119
#9 Monolog\\Handler\\RotatingFileHandler:write in /var/www/html/curso-laravel/introducao/vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.php:39
#8 Monolog\\Handler\\AbstractProcessingHandler:handle in /var/www/html/curso-laravel/introducao/vendor/monolog/monolog/src/Monolog/Logger.php:344
#7 Monolog\\Logger:addRecord in /var/www/html/curso-laravel/introducao/vendor/monolog/monolog/src/Monolog/Logger.php:707
#6 Monolog\\Logger:error in /var/www/html/curso-laravel/introducao/vendor/laravel/framework/src/Illuminate/Log/Logger.php:176
#5 Illuminate\\Log\\Logger:writeLog in /var/www/html/curso-laravel/introducao/vendor/laravel/framework/src/Illuminate/Log/Logger.php:87
#4 Illuminate\\Log\\Logger:error in /var/www/html/curso-laravel/introducao/vendor/laravel/framework/src/Illuminate/Log/LogManager.php:499
#3 Illuminate\\Log\\LogManager:error in /var/www/html/curso-laravel/introducao/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php:114
#2 Illuminate\\Foundation\\Exceptions\\Handler:report in /var/www/html/curso-laravel/introducao/app/Exceptions/Handler.php:37
#1 App\\Exceptions\\Handler:report in /var/www/html/curso-laravel/introducao/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php:81
#0 Illuminate\\Foundation\\Bootstrap\\HandleExceptions:handleException in [internal]:0

fdss... Resolvi