LinkedIn – No profile data is returned from application

I have a Miniorange Social Login for LinkedIn button (shortcode) on my Login page (besides Ultimate Member login shortcode). When I try to log in or register via LinkedIn I get “No profile data is returned from application”. This does not happen if I tick the box for asking for additional data (email+username) when unavailable (data completion), but then the user needs to put this information in every time for login, as well as the verification code, thus making the LinkedIn login useless as it seems not to be finding the data on LinkedIn and thus requesting it again.

The website is private so I can not share it.