Event-Based Oracle ERP Cloud Adapter Trigger Connections Fail When Configured with OAuth

When an Oracle ERP Cloud Adapter trigger connection is configured with OAuth, you get the following error when attempting to receive events from Oracle Fusion Applications.

[2022-07-01T11:40:01.040+00:00] [oic_server1] [ERROR] [] [oracle.soa.adapter] [tid: [ACTIVE].ExecuteThread: '69' for 
queue: 'weblogic.kernel.Default (self-tuning)'] [userId: ] [ecid: <ECID>-00024ed8,0] [APP: Cloud Adapter Inbound Http App] 
[partition-name: DOMAIN] [tenant-name: GLOBAL] [ACTIVE] ExecuteThread: '69' for queue: 'weblogic.kernel.Default (self-tuning)
'BaseTransportServlet.createErrorInstance Rejected message FlowID = 5200020 Flow Name: <FLOW> Flow Version: 01.00.0000
[2022-07-01T11:50:01.049+00:00] [oic_server1] [ERROR] [] [oracle.soa.adapter.tbacallback] [tid: [ACTIVE].ExecuteThread: '92' 
for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: ] [ecid: <ECID>-00025562,0] [APP: Cloud Adapter Inbound Http App] 
[partition-name: DOMAIN] [tenant-name: GLOBAL] OSCCloudUtils:getRefreshToken -> OIC Authentication properties are empty. Review 
the Integrations Trigger connection, test and save the connection and re-activate the integration flow. If the problem persists, 
please reach out to Oracle support.[2022-07-01T11:50:01.050+00:00] [oic_server1] [ERROR] [] [oracle.soa.adapter] [tid: [ACTIVE].ExecuteThread: 
'92' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: ] [ecid: <ECID>-00025562,0] [APP: Cloud Adapter Inbound Http App] 
[partition-name: DOMAIN] [tenant-name: GLOBAL] Unable to process SOAP Request for ic/ws/integration/v1/flows/erp/<FLOW>/1.0 due to: 
[oracle.cloud.connector.api.CloudInvocationException[[ OIC Authentication properties are empty. Review the Integrations Trigger connection, 
test and save the connection and re-activate the integration flow. If the problem persists, please reach out to Oracle support.]
]] 

The Oracle ERP Cloud Adapter does not support this use case. Instead, configure the Oracle ERP Cloud Adapter trigger connection with the Username Password Token security policy to successfully receive events.