Title: Warning: call_user_func_array()
Last modified: April 17, 2020

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# Warning: call_user_func_array()

 *  Resolved [bojan10294](https://wordpress.org/support/users/bojan10294/)
 * (@bojan10294)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/warning-call_user_func_array-40/)
 * Hi there! I really like your plugin, and pretty much everything works just fine.
   I have only one problem. When I try to register new account on page [https://kibi.rs/my-account/](https://kibi.rs/my-account/)
   I got this messages:
    Warning: call_user_func_array() expects parameter 1 to 
   be a valid callback, class ‘Rtcl\Controllers\Hooks\AppliedBothEndHooks’ does 
   not have a method ‘new_user_notification_email_user’ in /home/customer/www/kibi.
   rs/public_html/wp-includes/class-wp-hook.php on line 287 Warning: Cannot modify
   header information – headers already sent by (output started at /home/customer/
   www/kibi.rs/public_html/wp-includes/class-wp-hook.php:287) in /home/customer/
   www/kibi.rs/public_html/wp-includes/pluggable.php on line 943
 * I tried this plugin on my second website and it works just fine.
    On this website
   I tried to delete wordpress and install it again but same problem. I would appreciate
   your help… Thanks
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwarning-call_user_func_array-40%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [RadiusTheme](https://wordpress.org/support/users/techlabpro1/)
 * (@techlabpro1)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/warning-call_user_func_array-40/#post-12692656)
 * Hello,
 * Can you please tell your server PHP version? Make sure PHP 7+
 *  Thread Starter [bojan10294](https://wordpress.org/support/users/bojan10294/)
 * (@bojan10294)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/warning-call_user_func_array-40/#post-12694707)
 * Hi, my PHP version is 7.3.16. Also, I tried to change different themes, but same
   problem… It’s weird that I delete everything and install from scratch and same
   again…
 *  Thread Starter [bojan10294](https://wordpress.org/support/users/bojan10294/)
 * (@bojan10294)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/warning-call_user_func_array-40/#post-12713848)
 * Any help, please?
 *  Plugin Author [RadiusTheme](https://wordpress.org/support/users/techlabpro1/)
 * (@techlabpro1)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/warning-call_user_func_array-40/#post-12715069)
 * Ok, we have already issue is fixed and we will be released a new version by the
   next day.
 * Thank you

Viewing 4 replies - 1 through 4 (of 4 total)

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## Tags

 * [Warning: call_user_func_array()](https://wordpress.org/support/topic-tag/warning-call_user_func_array/)

 * 4 replies
 * 2 participants
 * Last reply from: [RadiusTheme](https://wordpress.org/support/users/techlabpro1/)
 * Last activity: [6 years, 1 month ago](https://wordpress.org/support/topic/warning-call_user_func_array-40/#post-12715069)
 * Status: resolved