# An unknown error occurred during deployment

**URL:** <https://community.fly.io/t/an-unknown-error-occurred-during-deployment/2448>\
**Category:** Build debugging\
**Created:** [September 5, 2021, 11:33am UTC](https://community.fly.io/t/an-unknown-error-occurred-during-deployment/2448 "2021-09-05T11:33:07Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![sudhir.j](https://sea1.discourse-cdn.com/fly1/user_avatar/community.fly.io/sudhir.j/32/39775_2.png) [@sudhir.j](https://community.fly.io/u/sudhir.j)\
**Post date:** [November 9, 2021, 8:15pm UTC](https://community.fly.io/t/an-unknown-error-occurred-during-deployment/2448/18 "2021-11-09T20:15:47Z")

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3 posts were split to a new topic: [Apps dying unexpectedly](https://community.fly.io/t/apps-dying-unexpectedly/3090)

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_[View the full topic](https://community.fly.io/t/an-unknown-error-occurred-during-deployment/2448)._