Invalid Token when triggering transactional messages


The following error may appear when making calls for Events in ACS to trigger an email:


"error_description": "No valid bindings were found for organization and technical account combination",

"error": "invalid_token"


Everything was working before, but now the JWT was being denied access and can happen when using Adobe I/O integration


The public key uploaded for the Adobe I/O integration was expired, as shown in the Adobe I/O integration console. Replacing the public key and updating their JWT fixed the issue.

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