Problem description
The Signature request parameter is missing, or the Expires request parameter is left empty.
Causes
You initiated a LiveChannel request that included the signature, but the Signature request parameter is missing, or the Signature request parameter is left empty.
Examples
You initiated a LiveChannel request that included the signature, but the Signature request parameter is missing, or the Signature request parameter is left empty.
Solutions
The Signature request parameter specifies the signature string. Make sure that the request includes the Signature request parameter and that a valid value is specified for this parameter.
For more information, see RTMP ingest URLs and signatures and Add signatures to URLs.