2006: Content cannot be processed or stored - Relay

2006 means: Content cannot be processed or stored.

HTTP status	What to do
413, 415, 422, 503	Read error.message. Correct the content; retry a temporary 503 with backoff.

Error response

Relay includes this code in error.code. The response also includes error.status, error.message, and error.doc_url; keep trace_id when it is present.