Line 29: [Error] Name "resource" that is reserved for future use (does not cause an error in PHP 7) used as a class, interface or trait name #747

What will be the possible quick solution of this ? is it okay to just rename the file and the class name ? please advice

File: wp-content/plugins/backwpup/vendor/rackspace/php-opencloud/lib/OpenCloud/Orchestration/Resource/Resource.php

Line 29: [Error] Name "resource" that is reserved for future use (does not cause an error in PHP 7) used as a class, interface or trait name
class Resource extends \OpenCloud\Common\Resource\ReadOnlyResource
{
}