Errors in Mobile Application

Severity: Minor
Category: Misconfiguration
Service: PagerDuty

This summary is created by Generative AI and may differ from the actual content.

Overview

PagerDuty mobile application incident on December 15, 2025, between 20:41 UTC and 22:19 UTC, affecting some customer accounts in the EU and US service regions, with users receiving error messages when loading data on the Home, Open Incidents, and Incident Details screens.

Impact

Error messages and potential sign-out of accounts for some users, with no impact on other PagerDuty features such as notifications and incident creation.

Trigger

A faulty configuration change in the mobile API gateway, combined with an unrelated change that triggered a restart of a core service fleet.

Detection

The engineering team received an incident notification from PagerDuty at 20:48 UTC, with the team declaring a major incident at 21:09 UTC.

Resolution

The affected mobile API gateways were rolled back to a known healthy configuration, successfully recovering the service at approximately 22:19 UTC.

Root Cause

A faulty configuration change in the mobile API gateway, combined with an unrelated change that triggered a restart of a core service fleet, resulting in the inability of the mobile applications to communicate with the core service's new IP addresses.