As announced last month, today marks the beginning of callback URL whitelisting enforcement. Apps using Sign in with Twitter who have not whitelisted their URLs will experience disruption. To whitelist your URLs, follow the guidance in our May forum post.https://twittercommunity.com/t/action-required-sign-in-with-twitter-users-must-whitelist-callback-urls/105342 …
Still getting errors after adding the callback urls correctly, is that how it's supossed to be?