Error Message When getting new token

Hi I told my friend about your wonderful plugin and she decided to install it on her site but when she tries to get a new token she is directed to the allow WP Plugin access to your linkedin profile.

When selecting yes she is getting the following message.

The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.

Please help.

https://wordpress.org/plugins/wp-linkedin/