Plain incident
Ari is failing to reply when searching for knowledge
Plain experienced a minor incident on August 19, 2026 affecting Ari, lasting 44m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 19, 2026, 05:25 PM UTC
Status: Investigating We've identified issues with some of Ari's responses. We're investigating why and will update shortly. Affected components Ari (Full outage)
- identified Aug 19, 2026, 05:32 PM UTC
Status: Identified We've identified a recent bad deploy at 17:51 BST which meant that calls from Ari to Turbopuffer started to fail. Turbopuffer is used by Ari to search for knowledge, so only Ari replies that require knowledge are impacted. We have found the issue and are currently rolling back. Affected components Ari (Full outage)
- identified Aug 19, 2026, 05:55 PM UTC
Status: Identified We are waiting for the fix to be deployed to production. Affected components Ari (Partial outage)
- monitoring Aug 19, 2026, 06:07 PM UTC
Status: Monitoring Fix has been deployed to production, we are seeing zero errors. Continuing to monitor. Affected components Ari (Partial outage)
- resolved Aug 19, 2026, 06:10 PM UTC
Status: Resolved Errors stopped at 18:55 BST. Affected components Ari (Operational)