I'm getting following error (The stream or file "/var/www/html/laravel/storage/logs/laravel.log"

Im getting following error, please help fix it. /1) UnexpectedValueException The stream or file "/var/www/html/laravel/storage/logs/[login to view URL]" could not be opened: failed to open stream: Permission denied in [login to view URL] line 108 at StreamHandler->write(array('message' => 'Unable to create configured logger. Using emergency logger.', 'context' => array('exception' => object(InvalidArgumentException)), 'level' => 600, 'level_name' => 'EMERGENCY', 'channel' => 'laravel', 'datetime' => object(DateTime), 'extra' => array(), 'formatted' => '[2020-04-15 09:12:46] [login to view URL]: Unable to create configured logger. Using emergency logger. {"exception":"[object] (InvalidArgumentException(code: 0): Log [] is not defined. at /var/www/html/laravel/vendor/laravel/framework/src/Illuminate/Log/[login to view URL])[stacktrace]#0 /var/www/html/laravel/vendor/laravel/framework/src/Illuminate/Log/[login to view URL](102): Illuminate\\\\Log\\\\LogManager->resolve(NULL)#1 /var/www/html/laravel/vendor/laravel/framework/src/Illuminate/Log/[login to view URL](90): Illuminate\\\\Log\\\\LogManager->get(NULL)#2 /var/www/html/laravel/vendor/laravel/framework/src/Illuminate/Log/[login to view URL](500): Illuminate\\\\Log\\\\LogManager->driver()#3 /var/www/html/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/[login to view URL](118): Illuminate\\\\Log\\\\LogManager->error(\'The stream or f...\', Array)#4 /var/www/html/laravel/app/Exceptions/[login to view URL](35): Illuminate\\\\Foundation\\\\Exceptions\\\\Handler->report(Object(UnexpectedValueException))#5 /var/www/html/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/[login to view URL](92): App\\\\Exceptions\\\\Handler->report(Object(UnexpectedValueException))#6 [internal function]: Illuminate\\\\Foundation\\\\Bootstrap\\\\HandleExceptions->handleException(Object(UnexpectedValueException))#7 {main}"} '))