Joomla5- php 8.1 error Attempted to load class "DOMDocument" - SOLVED

Detail: PHP 7.3 SUCCESS, PHP 8.1 + 8.2 error "DOMDocument"
Error: php 8.1 Attempted to load class "DOMDocument" from the global namespace.Did you forget a "use" statement?

Solution: CPANEL goto PHP Selector > extension check XML package checked all