This incident has been resolved. In-App configuration for Source Integrations has been fully restored.
Posted Feb 10, 2021 - 15:00 PST
A fix has been deployed and the team is verifying that service has been restored to all customers.
Posted Feb 10, 2021 - 14:26 PST
In-App configuration of Source Integrations is currently unavailable for some customers. There is no data loss, and new data is still being synced. The team has identified the root cause and is deploying a fix now.