Attempt to read property “ID” on null

  • The plugin is giving me this warning message, one for every code snippet that I have.

    “Warning: Attempt to read property “ID” on null in C:\Software\WampServer\www\Wordpress\wp-content\plugins\insert-php-code-snippet\xyz-functions.php on line 76″

    The site and the snippets are working fine, but I am no longer able to use the “preview page” functionality that the plugin includes.

    I installed Composer and then had this issue, but I don’t think that it is the problem because it saved in a different location and uninstalling Composer and restarting WAMP did not fix the issue.

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