Please go back to the previous page and try again.
Whoops\Exception\ErrorException: The file /home/arivisti/public_html/modules/addons/project_management/project_management.php was encoded by the ionCube Encoder for PHP 5.3 and cannot run under PHP 7.1 or later.
Please ask the provider of the script to provide a version encoded with the ionCube Encoder for PHP 7.1. in Unknown:0
#0 /home/arivisti/public_html/vendor/whmcs/whmcs-foundation/lib/Utility/Error/Run.php(0): WHMCS\Utility\Error\Run->handleError(16, 'The file /home/...', 'Unknown', 0)
#1 [internal function]: WHMCS\Utility\Error\Run->handleShutdown()