Title: Not found or invalid function error
Last modified: September 1, 2016

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# Not found or invalid function error

 *  [kaplevsky](https://wordpress.org/support/users/kaplevsky/)
 * (@kaplevsky)
 * [9 years, 11 months ago](https://wordpress.org/support/topic/not-found-or-invalid-function-error-3/)
 * Hello. I have an error “Warning: call_user_func_array() expects parameter 1 to
   be a valid callback, function ‘woocommerce_remove_breadcrumb’ not found or invalid
   function name in /home/saqirbabil/public_html/wp-includes/plugin.php on line 
   525”. How can I fix it?
 * [https://wordpress.org/plugins/woocommerce/](https://wordpress.org/plugins/woocommerce/)

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [Mike Jolley](https://wordpress.org/support/users/mikejolley/)
 * (@mikejolley)
 * [9 years, 11 months ago](https://wordpress.org/support/topic/not-found-or-invalid-function-error-3/#post-7572299)
 * You have some code in your theme or a plugin using the woocommerce_remove_breadcrumb
   filter wrong. Search your code.

Viewing 1 replies (of 1 total)

The topic ‘Not found or invalid function error’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Mike Jolley](https://wordpress.org/support/users/mikejolley/)
 * Last activity: [9 years, 11 months ago](https://wordpress.org/support/topic/not-found-or-invalid-function-error-3/#post-7572299)
 * Status: not resolved