Cause
Delegating a Communications channel, or a Surveys version or channel, requires the person granting to hold editorial scope over it: administration of the module or an assignment.
What to do
Grant only channels and versions you have scope over, or ask someone who has it to grant them.
application/problem+json
{
"type": "https://masnet.com/developers/errors/editorial_scope_required",
"title": "Editorial scope required",
"status": 403,
"detail": "...",
"code": "editorial_scope_required",
"correlation_id": "..."
}