Fatal error: Uncaught Error: Class 'Symfony\Component\Finder\Exception\AdapterFailureException' not found in /home/optinadmin/rfl.optin.co.nz/concrete/vendor/symfony/finder/Symfony/Component/Finder/Exception/ShellCommandFailureException.php:20 Stack trace: #0 {main} thrown in /home/optinadmin/rfl.optin.co.nz/concrete/vendor/symfony/finder/Symfony/Component/Finder/Exception/ShellCommandFailureException.php on line 20