Error Messages

OAuth "Facebook Platform" "insufficient_scope" "(#200) If posting to a group, requires app being installed in the group, and \\n either publish_to_groups permission with user token, or both pages_read_engagement \\n and pages_manage_posts permission with page token; If posting to a page, \\n requires both pages_read_engagement and pages_manage_posts as an admin with \\n sufficient administrative permission" facebook-api-version: v12.0 strict-transport-security: max-age=15552000;