Why Did My Event Publishing Fail?
The possible causes include:
- No permission.
   
Check whether your AK/SK is correct. To create a new one, see Obtaining an AK/SK.
 - Authentication failed.
   
Check whether the request method, address, and body used to publish events are the same as those used to generate a signature with the signature verification algorithm.
 - Resource not found.
   
Check whether the event channel, source, and subscription are successfully created and correctly configured.
 - Invalid event body format.
   
Check whether the event complies with the standard format specified by CloudEvents, and whether the attributes have changed with a different capitalization form after the serialization framework is used.
 
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