If you want to manually re-check your credential, you can follow the steps below.
This will check the vendor connection to make sure all permissions are currently available and will also update any account name changes.
First, navigate to the vendor credentials page
*note the credential page requires admin permissions to access
On the credentials page, find the account you want to re-check. Then hover your cursor over the "..." icon next to the details button.
This will give you 4 additional options. Using the circular arrow icon will re-check the vendor permissions.
Selecting the icon will start the validation check and a spinning icon will appear. Once it has completed it will show a blue checkmark for success.
Using the details button will now reflect any changes to permissions in the pop-out window.