If you want to remove the auto share with your Facebook and connect it again, please follow these steps:

1. Log in to your Podbean account, go to Settings -> Social Share in your Podbean dashboard and click the disconnect button for your Facebook account.

disconnect facebook auto share
2. Reconnect another Facebook to your  Podbean account, you just need to click the "connect Facebook" button in "Settings"->"Social Share" page. All done!