Outage in Expo
Increased rate of workflow runs failing to start
Resolved MinorIncident Report
Summary AI Generated
Expo experienced an increased rate of workflow runs failing to start due to an "Invalid workflow definition" error where the system expected a record but received undefined values. The issue affected users' ability to execute their workflows for 7 hours. The incident was resolved, with a temporary workaround involving minor YAML file modifications to trigger config re-instantiation from GitHub.
We're seeing workflow runs failing to start with error
Invalid workflow definition. [jobs]: Invalid input: expected record, received undefined.
We're working on a fix. As a temporary fix we recommend changing the YAML file slightly (e.g. add a YAML comment) to trigger a re-fetch from GitHub / reinstantiate workflow config.
Trusted by 1000+ teams
Need to monitor Expo outages?
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the moment something breaks.
Ready to take control?
Start Free Trial
No credit card required
Set up in 2 minutes
14-day free trial
Latest Updates ( sorted recent to last )
RESOLVED
about 2 months ago - at 02/24/2026 11:20PM
This incident has been resolved.
IDENTIFIED
about 2 months ago - at 02/24/2026 04:20PM
We're seeing workflow runs failing to start with error
Invalid workflow definition. [jobs]: Invalid input: expected record, received undefined.
We're working on a fix. As a temporary fix we recommend changing the YAML file slightly (e.g. add a YAML comment) to trigger a re-fetch from GitHub / reinstantiate workflow config.
Latest Expo outages
Some workflow runs are slow to progress - about 13 hours ago
Delayed push notification delivery - 1 day ago
Some push notifications are not being delivered - 5 days ago
Some workflow runs are not progressing - 8 days ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
