destination error "Could not check at the moment" in Cloud Foundry environment

I want to connect SCP(in Cloud Foundry environment) and onpremise S/4.

I use trial account.

I setup Cloud Connector. It's connect OK.
Next, I setup SCP(in Cloud Foundry environment), destinations tab is error.

When I push the button "Check Connection", following error occured.

　　Failure reason: "Could not check at the moment. Please try again later"

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Same phenomenon as below.
　　https://answers.sap.com/questions/397714/sapcp-destination-connection-check-failure-reason-.html

These URL say, temporary error.
But my error occured from last week.
And Error goes through in Cloud Foundry environment but not in environment Neo.

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I attached logfiles.

error-in-cloud-foundry-environment.jpg
success-in-neo-environment.jpg