External Access Role permission might be set as NONE in custom record.
This option is available only if you selected No Permission Required for Internal Users as the access type. It permits public access to users such as customers, vendors, and partners according to the access level selected.
- None – User doesn’t have access any instance of the custom record type. The user cannot create new, view existing, edit existing, or delete existing instances.
- View – User has access to view existing instances of the custom record only. The user cannot create new, edit existing, or delete existing instances.
- Create – User can create new and view existing instances of the custom record type. The user cannot edit or delete existing instances.
- Edit – User has access to create new, view existing, and edit existing instances of the custom record type. The user cannot delete existing instances.
- Full – User has access to create new instances of the custom record, and view, edit, and delete existing instances of the custom record type.