Title: Error Message
Last modified: February 18, 2017

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# Error Message

 *  [andymiller](https://wordpress.org/support/users/andymiller/)
 * (@andymiller)
 * [9 years, 3 months ago](https://wordpress.org/support/topic/error-message-585/)
 * Hi Ben
 * I got this error message after activating your plugin:
 * `PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback,
   class '__CLASS_' not found in /var/sites/i/italy-cycling-guide.info/public_html/
   wp-includes/class-wp-hook.php on line 298`
 * I’m using PHP 7.
 * It looks like a useful plugin. Thanks.

The topic ‘Error Message’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [andymiller](https://wordpress.org/support/users/andymiller/)
 * Last activity: [9 years, 3 months ago](https://wordpress.org/support/topic/error-message-585/)
 * Status: not a support question