Error since switching to WordPress 6.1

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Hello,
I can’t generate an invoice anymore.
I have this error message:

Fatal error: Class 'WPO\WC\PDF_Invoices_Pro\WCX_Order' not found
<em>
/homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-ips-pro/includes/wcpdf-pro-multilingual.php (100)

#0 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-ips-pro/includes/wcpdf-pro-functions.php(280): WPO\WC\PDF_Invoices_Pro\Multilingual->get_order_lang(27066, 'invoice')
#1 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-ips-pro/includes/wcpdf-pro-functions.php(259): WPO\WC\PDF_Invoices_Pro\Functions->address_replacements('SEBASTIEN POULE...', Object(WPO\WC\PDF_Invoices\Documents\Invoice), 'billing')
#2 /homepages/25/d467145997/htdocs/anticrocpoule/wp-includes/class-wp-hook.php(308): WPO\WC\PDF_Invoices_Pro\Functions->billing_address_filter('SEBASTIEN POULE...', Object(WPO\WC\PDF_Invoices\Documents\Invoice))
#3 /homepages/25/d467145997/htdocs/anticrocpoule/wp-includes/plugin.php(205): WP_Hook->apply_filters('SEBASTIEN POULE...', Array)
#4 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document-methods.php(97): apply_filters('wpo_wcpdf_billi...', 'SEBASTIEN POULE...', Object(WPO\WC\PDF_Invoices\Documents\Invoice))
#5 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document-methods.php(106): WPO\WC\PDF_Invoices\Documents\Order_Document_Methods->get_billing_address()
#6 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/templates/Simple/invoice.php(42): WPO\WC\PDF_Invoices\Documents\Order_Document_Methods->billing_address()
#7 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(942): include('/homepages/25/d...')
#8 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(843): WPO\WC\PDF_Invoices\Documents\Order_Document->render_template('/homepages/25/d...', Array)
#9 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(798): WPO\WC\PDF_Invoices\Documents\Order_Document->get_html()
#10 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(864): WPO\WC\PDF_Invoices\Documents\Order_Document->get_pdf()
#11 /homepages/25/d467145997/htdocs/anticrocpoule/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-main.php(401): WPO\WC\PDF_Invoices\Documents\Order_Document->output_pdf('download')
#12 /homepages/25/d467145997/htdocs/anticrocpoule/wp-includes/class-wp-hook.php(308): WPO\WC\PDF_Invoices\Main->generate_pdf_ajax('')
#13 /homepages/25/d467145997/htdocs/anticrocpoule/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array)
#14 /homepages/25/d467145997/htdocs/anticrocpoule/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#15 /homepages/25/d467145997/htdocs/anticrocpoule/wp-admin/admin-ajax.php(188): do_action('wp_ajax_generat...')
#16 {main}
I think it's an incompatibility with these extensions:
WPML Media
WPML Multilingual CMS
WPML SEO
Multilingual support for popular SEO plugins
WPML String Translation

Does anyone have the same problem?

Does anyone have a solution?

Thanks for your help.

The page I need help with: [log in to see the link]

 

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