Charts flatlining because of bad, cached results
Incident Report for Amplitude
This incident has been resolved.
Posted Jan 19, 2022 - 08:59 PST
We introduced a bug in production at 4:00pm PST that caused charts to show no data. We reverted the change at 5:00pm. Charts computed between 4:00pm and 5:00pm might still be showing cached results with no data; a manual refresh is required to recompute the chart. All customers are potentially affected. No data was lost.

To manually refresh a chart, please follow the instructions here, To manually refresh a dashboard, please follow the instructions here,
Posted Jan 17, 2022 - 19:41 PST
This incident affected: Analytics (Web Reporting).