Title: PHP Errors
Last modified: January 10, 2022

---

# PHP Errors

 *  Resolved [doggieboat](https://wordpress.org/support/users/doggieboat/)
 * (@doggieboat)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/php-errors-258/)
 * I have noticed these errors showing up via Query Monitor:
 *     ```
       Warning (Suppressed)	unlink(/var/www/vhosts/doggieboat.co.uk/httpdocs/wp-content/uploads/wpo_wcpdf/fonts/dompdf_font_family_cache.dist.php): No such file or directory	1	
       wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-install.php:371
       unlink()
       wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-install.php:371
       WPO\W\P\Install->upgrade()
       wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-install.php:52
       WPO\W\P\Install->do_install()
       wp-includes/class-wp-hook.php:303
       do_action('wp_loaded')
       wp-settings.php:600
       Plugin: woocommerce-pdf-invoices-packing-slips
       Warning (Suppressed)	unlink(/var/www/vhosts/doggieboat.co.uk/httpdocs/wp-content/uploads/wpo_wcpdf/fonts/mustRead.html): No such file or directory	1	
       wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-install.php:372
       unlink()
       wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-install.php:372
       WPO\W\P\Install->upgrade()
       wp-content/plugins/woocommerce-pdf-invoices-packing-slips/includes/class-wcpdf-install.php:52
       WPO\W\P\Install->do_install()
       wp-includes/class-wp-hook.php:303
       do_action('wp_loaded')
       wp-settings.php:600
       Plugin: woocommerce-pdf-invoices-packing-slips
       ```
   

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Contributor [Ewout](https://wordpress.org/support/users/pomegranate/)
 * (@pomegranate)
 * [4 years, 5 months ago](https://wordpress.org/support/topic/php-errors-258/#post-15237584)
 * Thanks for reporting. You can ignore these errors: as QM correctly shows these
   are suppressed errors. We suppress them because they don’t signify anything important(
   the code refers to the removal of legacy files but if these files are already
   removed that will trigger an error).
 * These errors can occur on the first page load after upgrading the plugin, after
   that they should not be triggered.
 *  Thread Starter [doggieboat](https://wordpress.org/support/users/doggieboat/)
 * (@doggieboat)
 * [4 years, 4 months ago](https://wordpress.org/support/topic/php-errors-258/#post-15243814)
 * OK. Thanks.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘PHP Errors’ 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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 * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/reviews/)

## Tags

 * [php-error](https://wordpress.org/support/topic-tag/php-error/)

 * 2 replies
 * 2 participants
 * Last reply from: [doggieboat](https://wordpress.org/support/users/doggieboat/)
 * Last activity: [4 years, 4 months ago](https://wordpress.org/support/topic/php-errors-258/#post-15243814)
 * Status: resolved