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Outage in Amplitude

Amplitude Experiment Issue with Charts Loading

Resolved Major
March 27, 2026 - Started 29 days ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Amplitude experienced a major issue where exposure charts failed to load for some feature flags and experiment analysis pages displayed "user property not available" and "Invalid user property gp:" errors. The problem affected users' ability to view experiment data and analytics for 1.4 hours. The issue was identified, fixed, and rolled out to restore full functionality to the affected charts and analysis pages.

For some flags, the exposures chart is not loading properly. For some experiments, the analysis page is not loading properly saying "This experiment's user property is not available yet. It will appear after users are assigned." and "Invalid user property gp:". We are working on a fix.

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Latest Updates ( sorted recent to last )
RESOLVED 29 days ago - at 03/27/2026 05:11PM

We have fixed the issue

IDENTIFIED 29 days ago - at 03/27/2026 04:42PM

We have identified a fix. We are rolling the fix out.

INVESTIGATING 29 days ago - at 03/27/2026 03:52PM

For some flags, the exposures chart is not loading properly. For some experiments, the analysis page is not loading properly saying "This experiment's user property is not available yet. It will appear after users are assigned." and "Invalid user property gp:". We are working on a fix.

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