Hi @Clare Lawson
Is your instances of the app hosted in the US region, if so you could be impacted based on maintenance done by Tempo.
"Scheduled - We will perform scheduled maintenance on our infrastructure to improve performance. This maintenance is planned for Thursday, April 10th, from 7:00 PM to 9:00 PM UTC.
Although the impacted customers can still access our Connect apps and REST APIs, please refrain from running business-critical write operations and data migrations (server-to-cloud migration, data residency migration) in/to the US region."