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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