Workflow or API calls:
Reminder: If this is referring to a client domain or EHR activity—not the public sandbox—do not include API request data or live patient data.
Background Information:
Failure to provide answers will impact our ability to respond in a timely and effective manner
Developer questions:
Are you an OPN Member? No
Have you signed up to be in the Healthcare Developer Track? No
Are you a registered Code Program member? No
Does your App have a presence on the Oracle Healthcare App Marketplace? No
Are you developing on behalf of an Oracle Health client? Possible
If so, which client:
Application's Client ID and App ID, if relevant:
App ID 721e4f5c-a45d-4d8b-8c82-003b45b8c8c6
Client ID 5b668bfd-ad07-4479-b732-f2af646dc69d
Expected Result: access token
Actual Result: {"error":"invalid_client","error_uri":"https://authorization.cerner.com/errors/urn%3Acerner%3Aerror%3Aauthorization-server%3Aclient-assertion%3Ajwt-bearer%3Ainvalid-assertion/instances/1d4c3a43-d201-4724-807b-a128c4311c25?client=unknown&tenant=5b668bfd-ad07-4479-b732-f2af646dc69d"}
X-Request-Id / Cerner-Correlation-Id / opc-request-id:
Date/time of the example: 6/3/2025 11+ am EST