Not able to access V1 API's form reference index.

Not able to access V1 API's form reference index.

https://developer.khoros.com/khoroscommunitydevdocs/reference/community-api-1-object-index

https://devdocportal.khoros.com/t5/Community-API-v1-Reference/bd-p/restv1docs?section=commv1&branch=Album