Are you an OPN Member? Yes
Have you signed up to be in the Healthcare Developer Track? Yes
Are you a registered Code Program member? Yes
Does your App have a presence on the Oracle Healthcare App Marketplace? Yes
Are you developing on behalf of an Oracle Health client?
If so, which client:
USC Keck Hospital
Application's Client ID and App ID, if relevant:
App ID: 550a3960-391c-43c7-b141-d161bdd2f8e2
Client ID: 2f4d465b-6b03-4edb-bbf3-a4034802c184
Expected Result:
On GET Patient call: https://fhir-ehr.sandboxcerner.com/dstu2/…/Patient/4618822
expected result is a 200 with payload.
Actual Result:
{ "code": 500, "message": "code=\"urn:cerner:error:oauth2:resource-access:signature-keys-unavailable\", error=\"signature_keys_unavailable\", subcode=\"unable_to_retrieve_credentials\"" }
opc-request-id: [/7719F41B209B4CFA8EE7ECFD78E0FC22/6EABBD91193744A68F5447D36EBD2FCE]
Date/time of the example: Tue, 27 Jan 2026 22:11:07 GMT
Thank you!