5007: Media source invalid.

HTTP status: 422.

The address at param was refused by the fetch policy before any bytes were read. It must be an absolute https URL on the default port, carry no credentials or fragment, and resolve to a public address on every redirect hop, with at most three redirects. Nothing was sent.

• Serve the file from a public https host on port 443 and supply that address without credentials.
• Check that neither the address nor any redirect it answers with points at a private, loopback, link-local or otherwise non-public destination.
• If the file cannot be served that way, upload the bytes with POST /v1/media and send the returned upload_ref instead.