# Failed to start the Build

**URL:** <https://discuss.bitrise.io/t/failed-to-start-the-build/4803>\
**Category:** Website Issues\
**Created:** [April 13, 2018, 9:46am UTC](https://discuss.bitrise.io/t/failed-to-start-the-build/4803 "2018-04-13T09:46:25Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![SkyFred27](https://avatars.discourse-cdn.com/v4/letter/s/97f17d/32.png) [@SkyFred27](https://discuss.bitrise.io/u/SkyFred27)\
**Post date:** [April 13, 2018, 9:46am UTC](https://discuss.bitrise.io/t/failed-to-start-the-build/4803/1 "2018-04-13T09:46:26Z")

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Hello,

I just tried to start a build with the button **Rebuild** and got this error

> Failed to start the Build: Invalid request: does not contain a ‘payload’, or it is not a valid JSON request. Details: A JSON text must at least contain two octets!

I got the same result with the **start / schedule build** button.

I did not change anything since yesterday.

Fred

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**Author:** ![viktorbenei](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.bitrise.io/viktorbenei/32/18_2.png) [@viktorbenei](https://discuss.bitrise.io/u/viktorbenei)\
**Post date:** [April 13, 2018, 4:43pm UTC](https://discuss.bitrise.io/t/failed-to-start-the-build/4803/2 "2018-04-13T16:43:37Z")

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Hi @SkyFred27

Checking the timing it was most likely caused by a faulty deploy we had which affected builds triggered via the web UI (or to be more precise **not** triggered…). We detected it and rolled back in ~20 mins, fixed & re-deployed.

So, this should definitely be fixed by now, please let me know if you can confirm that or if you’d still see this error!

Thanks for reporting and sorry for the inconvenience!

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**Author:** ![SkyFred27](https://avatars.discourse-cdn.com/v4/letter/s/97f17d/32.png) [@SkyFred27](https://discuss.bitrise.io/u/SkyFred27)\
**Post date:** [April 14, 2018, 12:31pm UTC](https://discuss.bitrise.io/t/failed-to-start-the-build/4803/3 "2018-04-14T12:31:07Z")

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Hi,

Thank you, indeed it’s working now.

Fred

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**Author:** ![viktorbenei](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.bitrise.io/viktorbenei/32/18_2.png) [@viktorbenei](https://discuss.bitrise.io/u/viktorbenei)\
**Post date:** [April 19, 2018, 3:03pm UTC](https://discuss.bitrise.io/t/failed-to-start-the-build/4803/4 "2018-04-19T15:03:39Z")

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Glad to hear! Thanks for reporting and sorry for the inconvenience!

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**Author:** ![viktorbenei](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.bitrise.io/viktorbenei/32/18_2.png) [@viktorbenei](https://discuss.bitrise.io/u/viktorbenei)\
**Post date:** [April 27, 2018, 4:00pm UTC](https://discuss.bitrise.io/t/failed-to-start-the-build/4803/5 "2018-04-27T16:00:09Z")

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