Title: Error after plugin install
Last modified: October 27, 2020

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# Error after plugin install

 *  [Amit37](https://wordpress.org/support/users/amit37/)
 * (@amit37)
 * [5 years, 7 months ago](https://wordpress.org/support/topic/error-after-plugin-install/)
 * Hi Alex,
 * When i installed this plugin, i am getting same errors multiple times in the 
   plugin settings page.
 * One like below:
    Strict Standards: call_user_func_array() expects parameter 1
   to be a valid callback, non-static method Virtual_Queue_Admin::theme_options_page()
   should not be called statically in /home/user/public_html/wp-includes/class-wp-
   hook.php on line 287
 * And:
    Strict Standards: call_user_func() expects parameter 1 to be a valid callback,
   non-static method Virtual_Queue_Admin::display_header_options_content() should
   not be called statically in /home/user/public_html/wp-admin/includes/template.
   php on line 1688
 * Could this be because of php version conflict? Thanks.

The topic ‘Error after plugin install’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [Amit37](https://wordpress.org/support/users/amit37/)
 * Last activity: [5 years, 7 months ago](https://wordpress.org/support/topic/error-after-plugin-install/)
 * Status: not resolved