Fatal Error

Hello,

When I click on the PDF invoice, I get this error,

I would appreciate your help:

#0 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/Block.php(795): Dompdf\FrameReflower\Block->_calculate_restricted_width()
#1 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\Block->reflow(Object(Dompdf\FrameDecorator\Block))
#2 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/Block.php(845): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow(Object(Dompdf\FrameDecorator\Block))
#3 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\Block->reflow(Object(Dompdf\FrameDecorator\TableCell))
#4 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/TableCell.php(95): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow(Object(Dompdf\FrameDecorator\TableCell))
#5 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\TableCell->reflow(NULL)
#6 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/TableRow.php(52): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
#7 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\TableRow->reflow(NULL)
#8 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/TableRowGroup.php(51): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
#9 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\TableRowGroup->reflow(NULL)
#10 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/Table.php(489): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
#11 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\Table->reflow(Object(Dompdf\FrameDecorator\Block))
#12 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/Block.php(845): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow(Object(Dompdf\FrameDecorator\Block))
#13 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\Block->reflow(NULL)
#14 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/Page.php(141): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
#15 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\Page->reflow(NULL)
#16 /woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/Dompdf.php(847): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
#17 /woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-pdf-maker.php(53): Dompdf\Dompdf->render()
#18 /woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(591): WPO\WC\PDF_Invoices\PDF_Maker->output()
#19 /woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(626): WPO\WC\PDF_Invoices\Documents\Order_Document->get_pdf()
#20 /woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-main.php(332): WPO\WC\PDF_Invoices\Documents\Order_Document->output_pdf(‘inline’)
#21 class-wp-hook.php(286): WPO\WC\PDF_Invoices\Main->generate_pdf_ajax(”)
#22 class-wp-hook.php(310): WP_Hook->apply_filters(”, Array)
#23 plugin.php(465): WP_Hook->do_action(Array)