Dear Customer,
Once you have done with setup login by Twitter, please wait for system twitter accept your app API. After, it actives Twitter can work well in your site for you.
Please follow the guide bellow here:
1. App Name
ST Traveler
2. Description
App to create quick Login function via Twitter
3. Website URL
4. Sign in with Twitter
Enabled
5. Callback URL
6. Terms of service URL
7. Privacy policy URL
8. Organization name
None
9. Organization Website URL
10. App usage
App will be used when have new user visit site. They can quick login via Twitter Login Button on my menu item.
Note: Please enter URL with format: yoursite_url/social-login/twitter/callback