Title: Error messages
Last modified: September 1, 2016

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# Error messages

 *  [mlapl1](https://wordpress.org/support/users/mlapl1/)
 * (@mlapl1)
 * [9 years, 10 months ago](https://wordpress.org/support/topic/error-messages-70/)
 * Hello
 * It has been some time since I visited my website, but I am suddenly getting the
   following two messages on the page which is supposed to display my publications
   list:
 *     ```
       Failed refreshing OAuth2 access token: SSL certificate problem: unable to get local issuer certificate
   
       Mendeley Plugin Error: Failed accessing Mendeley API: SSL certificate problem: unable to get local issuer certificate
       ```
   
 * Any help greatly appreciated.
    Andrew
 * [https://wordpress.org/plugins/mendeleyplugin/](https://wordpress.org/plugins/mendeleyplugin/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [kochm](https://wordpress.org/support/users/kochm/)
 * (@kochm)
 * [9 years, 8 months ago](https://wordpress.org/support/topic/error-messages-70/#post-8219479)
 * Have you tried requesting a new OAuth2 access token in the backend?

Viewing 1 replies (of 1 total)

The topic ‘Error messages’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [kochm](https://wordpress.org/support/users/kochm/)
 * Last activity: [9 years, 8 months ago](https://wordpress.org/support/topic/error-messages-70/#post-8219479)
 * Status: not resolved