Title: PHP Errors
Last modified: May 14, 2020

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# PHP Errors

 *  [gore.m](https://wordpress.org/support/users/gorem/)
 * (@gorem)
 * [6 years ago](https://wordpress.org/support/topic/php-errors-194/)
 * Hello,
    I’m getting this PHP errors with latest version:
 *     ```
       May 14, 13:33:14
   
       Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'CMB2_Hookup' not found in /hosting/www/example.com/www.test/wp-includes/class-wp-hook.php on line 287
   
   
       May 14, 13:33:23
   
       Warning: include_once(/hosting/www/example.com/www.test/wp-content/plugins/seo-for-woocommerce/vendor/cmb2/cmb2/includes/CMB2_Hookup.php): failed to open stream: No such file or directory in /hosting/www/example.com/www.test/wp-content/plugins/seo-for-woocommerce/vendor/cmb2/cmb2/includes/helper-functions.php on line 44
       ```
   
 * Tom

Viewing 1 replies (of 1 total)

 *  Thread Starter [gore.m](https://wordpress.org/support/users/gorem/)
 * (@gorem)
 * [6 years ago](https://wordpress.org/support/topic/php-errors-194/#post-12835066)
 * It seems that it is happening if Rank Math SEO plugin is not installed. Am I 
   right?

Viewing 1 replies (of 1 total)

The topic ‘PHP Errors’ is closed to new replies.

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 * 1 reply
 * 1 participant
 * Last reply from: [gore.m](https://wordpress.org/support/users/gorem/)
 * Last activity: [6 years ago](https://wordpress.org/support/topic/php-errors-194/#post-12835066)
 * Status: not resolved