Laravel 5.8部署共享主机500服务器错误

Question

我最近已升级到laravel 5.8，并在共享主机上部署了许多laravel网站。这次出了点问题。该站点（主页）已加载，但是一旦我要登录，就会出现500 Server Error。

域为https://attela.co.za

这是我的日志文件：

[stacktrace]
#0 /usr/home/myserver/laravel/vendor/composer/ClassLoader.php(444): Illuminate\\Foundation\\Bootstrap\\HandleExceptions->handleError(2, 'include(/usr/ho...', '/usr/home/attel...', 444, Array)
#1 /usr/home/myserver/laravel/vendor/composer/ClassLoader.php(444): include()
#2 /usr/home/myserver/laravel/vendor/composer/ClassLoader.php(322): Composer\\Autoload\\includeFile('/usr/home/myser...')
#3 [internal function]: Composer\\Autoload\\ClassLoader->loadClass('App\\\\Http\\\\Middle...')
#4 [internal function]: spl_autoload_call('App\\\\Http\\\\Middle...')
#5 /usr/home/myserver/laravel/vendor/laravel/framework/src/Illuminate/Container/Container.php(788): ReflectionClass->__construct('App\\\\Http\\\\Middle...')