Title: Error While Generating PDF
Last modified: December 19, 2021

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# Error While Generating PDF

 *  Resolved [mmkurhade](https://wordpress.org/support/users/mmkurhade/)
 * (@mmkurhade)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/error-while-generating-pdf/)
 * Hi,
 * I have created a custom invoice template as per my needs. When I see it as HTML,
   it shows the correct version but when I un-tick HTML output and try to download
   it as PDF, it shows “Fatal error: Call to a member function get_cellmap() on 
   null”. It also shows many errors for packaging slips even if it’s disabled.

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Thread Starter [mmkurhade](https://wordpress.org/support/users/mmkurhade/)
 * (@mmkurhade)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/error-while-generating-pdf/#post-15177621)
 * I get these errors
 *     ```
       #0 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\TableCell->reflow()
       #1 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/Block.php(845): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
       #2 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\Block->reflow()
       #3 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameReflower/Page.php(141): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
       #4 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/FrameDecorator/AbstractFrameDecorator.php(895): Dompdf\FrameReflower\Page->reflow()
       #5 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/dompdf/dompdf/src/Dompdf.php(838): Dompdf\FrameDecorator\AbstractFrameDecorator->reflow()
       #6 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-pdf-maker.php(54): Dompdf\Dompdf->render()
       #7 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(742): WPO\WC\PDF_Invoices\PDF_Maker->output()
       #8 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/documents/abstract-wcpdf-order-document.php(777): WPO\WC\PDF_Invoices\Documents\Order_Document->get_pdf()
       #9 /home/mydomain/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-main.php(373): WPO\WC\PDF_Invoices\Documents\Order_Document->output_pdf()
       #10 /home/mydomain/public_html/wp-includes/class-wp-hook.php(303): WPO\WC\PDF_Invoices\Main->generate_pdf_ajax()
       #11 /home/mydomain/public_html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters()
       #12 /home/mydomain/public_html/wp-includes/plugin.php(470): WP_Hook->do_action()
       #13 /home/mydomain/public_html/wp-admin/admin-ajax.php(187): do_action()
       #14 {main}
       ```
   
    -  This reply was modified 4 years, 5 months ago by [mmkurhade](https://wordpress.org/support/users/mmkurhade/).
 *  Plugin Contributor [alexmigf](https://wordpress.org/support/users/alexmigf/)
 * (@alexmigf)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/error-while-generating-pdf/#post-15179488)
 * Hi [@mmkurhade](https://wordpress.org/support/users/mmkurhade/)
 * Are you using a modified PDF template (custom template) or do you have a third
   party plugin that injects data to the PDF?
 *  Thread Starter [mmkurhade](https://wordpress.org/support/users/mmkurhade/)
 * (@mmkurhade)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/error-while-generating-pdf/#post-15179587)
 * I have modified the simple (existing/default) template. I ain’t using any third
   party plugin.
 *  Plugin Contributor [alexmigf](https://wordpress.org/support/users/alexmigf/)
 * (@alexmigf)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/error-while-generating-pdf/#post-15179603)
 * Hi [@mmkurhade](https://wordpress.org/support/users/mmkurhade/)
 * The error should be in your modifications, can you share your template by email
   to [support@wpovernight.com](https://wordpress.org/support/topic/error-while-generating-pdf/support@wpovernight.com?output_format=md)?
   I will take a look at it.
 *  Thread Starter [mmkurhade](https://wordpress.org/support/users/mmkurhade/)
 * (@mmkurhade)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/error-while-generating-pdf/#post-15195629)
 * Thanks. I made some changes in it and errors are gone now.

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Error While Generating PDF’ is closed to new replies.

 * ![](https://ps.w.org/woocommerce-pdf-invoices-packing-slips/assets/icon-256x256.
   png?rev=2189942)
 * [PDF Invoices & Packing Slips for WooCommerce](https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/)
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## Tags

 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)
 * [HTML output](https://wordpress.org/support/topic-tag/html-output/)

 * 5 replies
 * 2 participants
 * Last reply from: [mmkurhade](https://wordpress.org/support/users/mmkurhade/)
 * Last activity: [4 years, 5 months ago](https://wordpress.org/support/topic/error-while-generating-pdf/#post-15195629)
 * Status: resolved