Getting a fatal error.

[priyanka-tychesoftwares]

Prerequisites

• I have carried out troubleshooting steps and I believe I have found a bug.
• I have searched for similar bugs in both open and closed issues and cannot find a duplicate.

Describe the bug

One client has reported this error in the plugin deactivation survey.

PHP Fatal error: Uncaught Error: Call to a member function get_meta() on bool in /data/1/b/1bede91b-f340-4e63-8440-ca17337eb82d/inoby.eu/sub/bezlepka/wp-content/plugins/woocommerce-delivery-notes/includes/class-wcdn-writepanel.php:283

Steps to reproduce

I am not aware of the exact steps to replicate this issue. I am unable to reproduce this error on our staging site.

Expected behavior

Such a fatal error should not appear in our plugin.

WordPress Environment

Isolating the problem

• I have deactivated other plugins and confirmed this bug occurs when only our plugin is active.
• This bug happens with a default WordPress theme active, or Storefront.
• I can reproduce this bug consistently using the steps above.

Additional field

https://support.tychesoftwares.com/conversation/8382?folder_id=15