Resolved after 22 minutes, affecting Orchestration, on October 16, 2026.
Since 18:00 UTC on October 16, most flow runs on Modal push work pools crash during infrastructure startup. Affected runs move from Pending to Crashed with the message "sandbox exited with non-zero code 137." We have tracked the issue to an upgrade in the Modal client library and working to roll back.
Affected components
Update timeline
- identified Oct 16, 2026, 08:08 PM UTC
Since 18:00 UTC on October 16, most flow runs on Modal push work pools crash during infrastructure startup. Affected runs move from Pending to Crashed with the message "sandbox exited with non-zero code 137." We have tracked the issue to an upgrade in the Modal client library and working to roll back.
- resolved Oct 16, 2026, 08:31 PM UTC
This incident has been resolved and Modal push pools are fully operational.
Your product runs on more than Prefect
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services