Cause
The content exceeds 16 nesting levels.
What to do
Reduce the nesting of lists, quotes and elements.
application/problem+json
{
"type": "https://masnet.com/developers/errors/too_deep",
"title": "Excessive nesting",
"status": 422,
"detail": "...",
"code": "too_deep",
"correlation_id": "..."
}