Unable to change logo on Communities login page
|Knowledge Article Number||000193658|
|Description||User unable to change the logo on Communities Login page and gets an error message " You must select at least one login option' in the 'Options for External Users' section".|
Resolution: Disable SAML | Change Logo | Enable SAML.
Disabling SAML in your org would not cause any impact to your users, since this setting can be enabled immediately after uploading the Logo.
You may receive same Error message while changing the Community Logout URL