REST API v1 view all group members returns error

[Request] GET https://comanage-registry:443/registry/co_group_members.json

[Request Headers] {"Content-Type":"application/json"}

[Page] https://comanage-registry:443/registry/co_group_members.json

[Response] 500

[Response] {"name":"An Internal Error Has Occurred.","message":"An Internal Error Has Occurred.","url":"/registry/co_group_members.json"}

Error: [InvalidArgumentException] Group ID Not Provided

Request URL: /registry/co_group_members.json

Stack Trace:

#0 /srv/comanage-registry/app/Controller/CoGroupMembersController.php(411): CoGroupMembersController->listMembers()

#1 [internal function]: CoGroupMembersController->index()