The old version sadly does not work anymore. Have you tried deauthenticating? If you still have this issue, I recommend joining the discord! People there are often willing to help
Viewing post in Twitch Integrated Throwing System comments
I joined the discord a couple days ago, but I feel I don't see all channels and can not reply on any of the 4 that was in there. The thing is I added quite the items and commands in there that I have to re-enter in the new. :'D And I can not skew the character anymore since I don't have a humanoid avatar but an animal (cat in my case)