Title: Warning: call_user_func_array() expects parameter 1 to be a valid callback,
Last modified: August 21, 2016

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# Warning: call_user_func_array() expects parameter 1 to be a valid callback,

 *  [tambovskya](https://wordpress.org/support/users/tambovskya/)
 * (@tambovskya)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/warning-call_user_func_array-expects-parameter-1-to-be-a-valid-callback-3/)
 * Hi forum,
 * I have a problem and I’m clueless in regards of the fix method.
 * Warning: call_user_func_array() expects parameter 1 to be a valid callback, function‘
   my_register_sidebars’ not found or invalid function name in /home/content/07/
   11492407/html/wp-includes/plugin.php on line 429
 * site: [http://nikolaitambovsky.com/contact-us/](http://nikolaitambovsky.com/contact-us/)
 * Thanks for the help

Viewing 1 replies (of 1 total)

 *  Thread Starter [tambovskya](https://wordpress.org/support/users/tambovskya/)
 * (@tambovskya)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/warning-call_user_func_array-expects-parameter-1-to-be-a-valid-callback-3/#post-4599547)
 * I’m also receiving these two errors. Help me out please.
 * Warning: call_user_func_array() expects parameter 1 to be a valid callback, function‘
   my_register_sidebars’ not found or invalid function name in /home/content/07/
   11492407/html/wp-includes/plugin.php on line 429
 * Fatal error: Call to undefined function wp_redirect() in /home/content/07/11492407/
   html/wp-includes/pluggable.php on line 787

Viewing 1 replies (of 1 total)

The topic ‘Warning: call_user_func_array() expects parameter 1 to be a valid callback,’
is closed to new replies.

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 1 reply
 * 1 participant
 * Last reply from: [tambovskya](https://wordpress.org/support/users/tambovskya/)
 * Last activity: [12 years, 4 months ago](https://wordpress.org/support/topic/warning-call_user_func_array-expects-parameter-1-to-be-a-valid-callback-3/#post-4599547)
 * Status: not resolved

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