https://wordpress.org/support/topic/image-optimization-issue-on-v3/
Thanks qtwrk
Destroy All optimization data does fix the issue. Resolved
/public_html/wp-content/plugins/woocommerce-delivery-notes/includes
edit file name: class-wcdn-print.php
// Define the templates
self::$templates = apply_filters( 'wcdn_template_registration', array(
apply_filters( 'wcdn_template_registration_invoice', array(
'type' => 'invoice',
'labels' => array(
'name' => __( 'CHANGE TITLE HERE', 'woocommerce-delivery-notes' ),
'name_plural' => __( 'Invoices', 'woocommerce-delivery-notes' ),
'print' => __( 'Print Invoice', 'woocommerce-delivery-notes' ),
'print_plural' => __( 'Print Invoices', 'woocommerce-delivery-notes' ),
'message' => __( 'Invoice created.', 'woocommerce-delivery-notes' ),
'message_plural' => __( 'Invoices created.', 'woocommerce-delivery-notes' ),
'setting' => __( 'Enable Invoices', 'woocommerce-delivery-notes' )
