Watson Assistantを久しぶりに試してみると
Watson Assistant メンテナンス中画面になっていた。
MAINTENANCE: Migrate the service’s databases
Update Description: The Compose-based databases for Watson Assistant service (public and premium) are being migrated to a new IBM Cloud Database cluster. This change is expected to provide better stability, better uptime availability, and SOC compliance.
Maintenance Duration: 480 minutes
Type of Disruption: Other
Disruption Description: During this maintenance window, authoring and provisioning calls and integrations with Watson Assistant instances will not be allowed. Consumption and end-user use of the service through the /message API and existing integrations will continue to function.
Disruption Duration: 360 minutes