Linking SmartThings to HA - Keep getting error message

I keep trying to add the SmartThings integration and I keep getting the error message “Please ensure you have installed and authorized the Home Assistant SmartApp and try again.”

I’ve got the app. I’ve tried adding the integration from the app as well and get the same error message. I’ve tried deleting the app and reinstalling it, no luck.

Any other tips that I’m missing?