"Parameter redirect_uri does not match registered URI"

sure the website I am working on is https://bitcornsync.com and the URL I am using is https://id.twitch.tv/oauth2/authorize?client_id=wnl8ofrydt837n586ig3nmus2e8ezu&redirect_uri=https://bitcornsync.com/twitchcallback/&response_type=code&scope=openid