whmcsProxmoxAddon/app/Libs/Api/OpenSRS/Exception.php

<?php

namespace ModulesGarden\ProxmoxAddon\App\Libs\Api\OpenSRS;

class Exception extends \Exception
{

    public static function notDefined($propertyName)
    {
        throw new self("oSRS Error - $propertyName is not defined.");
    }

    public static function classNotFound($class)
    {
        throw new self("The class $class does not exist or cannot be found");
    }

    public static function cannotSetOneCall($string)
    {
        throw new self("oSRS Error - $string cannot be set in one call");
    }
}