Warning: Class 'Automattic\WooCommerce\Internal\Admin\WcPayWelcomePage' not found in /home/group/public_html/domain.pt/wp-content/plugins/woocommerce/src/Admin/Features/Features.php on line 377

Parse error: syntax error, unexpected ')' in /home/group/public_html/domain.pt/wp-content/plugins/woocommerce/src/Internal/Admin/WcPayWelcomePage.php on line 322

Try to rename woocommerce folder.
Login to wp-admin and update woocommerce, then undo the rename and reactive woocommerce.