6:28pm UTC: We are experiencing Python/R Sandbox failing to create in EU and US region and keep on investigating the problem. We'll keep you updated.
6:38pm UTC: We have identified the root cause being expired CA intermediate certificate. We proceed to replace the expired certificate for the sandbox instances. Next update within an hour.
7:38pm UTC: We have successfully replaced CA intermediate certificate for the US region and Python/R sandboxes successfully create now. EU region CA intermediate certificate replacement is on the way. Next update within an hour.
7:43pm UTC: The Python/R Sandboxes failing to create is resolved now. We have replaced the expired CA intermediate certificate and new Python/R sandboxes create successfully now in both US and EU region. We are sorry for the inconvenience.