Problem description
The signature specified by the Signature parameter in the LiveChannel request does not match the signature calculated by Object Storage Service (OSS).
Causes
You initiated a LiveChannel request that includes a signature, but the algorithm that is used to calculate the signature specified by the Signature request parameter is invalid.
Examples
You initiated a LiveChannel request that includes a signature, but the algorithm that is used to calculate the signature is invalid.
Solutions
For more information about how to calculate a valid value for the Signature request parameter, see RTMP ingest URLs and signatures.