Title: Using Deprecated Functions
Last modified: September 3, 2021

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# Using Deprecated Functions

 *  Resolved [Felipe Xavier](https://wordpress.org/support/users/felipexa/)
 * (@felipexa)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/using-deprecated-functions-2/)
 * The plugin has been generating deprecated functions for some time and therefore
   causing server-side errors.
 *     ```
       [Thu Sep 02 12:] [proxy_fcgi:error] [pid 5915:tid 139762656438016] [client ] AH01071: Got error 'PHP message: The WC_Session_Handler::nonce_user_logged_out function is deprecated since version 5.3. Replace with WC_Session_Handler::maybe_update_nonce_user_logged_out.', referer: https://www.com/wp-admin/admin-ajax.php?action=wc_facebook_background_product_sync&nonce=3b1b2fbdf4
   
       [Thu Sep 02 12:] [proxy_fcgi:error] [pid 5915:tid 139762547332864] [client ] AH01071: Got error 'PHP message: The WC_Session_Handler::nonce_user_logged_out function is deprecated since version 5.3. Replace with WC_Session_Handler::maybe_update_nonce_user_logged_out.', referer: https://www.com/wp-admin/admin-ajax.php?action=wc_facebook_background_product_sync&nonce=3b1b2fbdf4
   
       [Fri Sep 03 07:] [proxy_fcgi:error] [pid 12605:tid 139762966968064] [client ] AH01071: Got error 'PHP message: The WC_Session_Handler::nonce_user_logged_out function is deprecated since version 5.3. Replace with WC_Session_Handler::maybe_update_nonce_user_logged_out.', referer: https://www.com/wp-admin/admin-ajax.php?action=wc_facebook_background_product_sync&nonce=89a46bb748
       ```
   

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [Jeremy Pry](https://wordpress.org/support/users/jpry/)
 * (@jpry)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/using-deprecated-functions-2/#post-14836588)
 * Hi [@felipexa](https://wordpress.org/support/users/felipexa/),
 * Thanks for flagging this. We are [tracking this issue on GitHub](https://github.com/woocommerce/facebook-for-woocommerce/issues/1966)
   already.
 *  Thread Starter [Felipe Xavier](https://wordpress.org/support/users/felipexa/)
 * (@felipexa)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/using-deprecated-functions-2/#post-14837116)
 * Thanks!

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Using Deprecated Functions’ is closed to new replies.

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 * 2 replies
 * 2 participants
 * Last reply from: [Felipe Xavier](https://wordpress.org/support/users/felipexa/)
 * Last activity: [4 years, 9 months ago](https://wordpress.org/support/topic/using-deprecated-functions-2/#post-14837116)
 * Status: resolved