Problem description
The value specified for the Credential request parameter in the RTMP request is invalid.
Causes
You initiated an RTMP request that uses the V4 signature, but the value specified for the Credential request parameter is invalid.
Examples
The value of Credential request parameter in the request does not end with aliyun_v4_request.
Solutions
The Credential request parameter is in the following format: <YOUR-AKID>/YYYYMMDD/REGION/SERVICE/aliyun_v4_request. Make sure that the request parameter is correctly specified.
For more information, see RTMP ingest URLs and signatures and Add signatures to URLs.