Hi Ewout. Thanks for responding and thanks for this wonderful plugin.
The full error is:
Fatal error: Call to a member function get_id() on null
#0 /home/customer/www/bedentalexpert.com/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(841): include()
#1 /home/customer/www/bedentalexpert.com/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(745): WPO\WC\PDF_Invoices\Documents\Order_Document->render_template(‘/home/customer/…’, Array)
#2 /home/customer/www/bedentalexpert.com/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(727): WPO\WC\PDF_Invoices\Documents\Order_Document->get_html()
#3 /home/customer/www/bedentalexpert.com/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(763): WPO\WC\PDF_Invoices\Documents\Order_Document->get_pdf()
#4 /home/customer/www/bedentalexpert.com/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-main.php(376): WPO\WC\PDF_Invoices\Documents\Order_Document->output_pdf(‘inline’)
#5 /home/customer/www/bedentalexpert.com/public_html/wp-includes/class-wp-hook.php(303): WPO\WC\PDF_Invoices\Main->generate_pdf_ajax(”)
#6 /home/customer/www/bedentalexpert.com/public_html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(”, Array)
#7 /home/customer/www/bedentalexpert.com/public_html/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#8 /home/customer/www/bedentalexpert.com/public_html/wp-admin/admin-ajax.php(187): do_action(‘wp_ajax_generat…’)
#9 {main}
Best regards