Social connect – Twitter login problem callback.php show blank page

Hi Guys,
I was just wondering if someone encounter this problem and can give me some guidance to sort this out!
I have been trying to find an answer for this in the forum but it seems to be impossible to find the solution.
I am using “Social Connect”, facebook and google login is working fine but when i am trying to login using twitter it shows a blank page after calling the callback url (https://www.troiko.com/wp-content/plugins/social-connect/twitter/connect.php).
I′m sure that my twitter settings are well configured because they work with other similar plugins, also try with all other plugins disable to avoid any conflict and still not working.
My website is
Appreciate some help
Best regards