Click on access the Connections menu, and then scroll down to the Other Connections tab and click on the Disconnect button next to StreamLabs. After you logged in successfully, click on the Account icon at the top right corner and click on Settings. On the site, click on Log in button at the upper right corner. Open the webpage and sign in with the account that’s used to link in StreamLabs. Note: You need to do the operation directly from the Twitch account instead of the StreamLabs application.
If you receive the error message “there was an error fetching your channel information”, then the first and simplest way is to sign out of your problematical account and back into StreamLabs. Sign Out of the Problematic Account from Twitch