# Detox failing to run on Bitri with ReferenceError: device is not defined

**URL:** <https://discuss.bitrise.io/t/detox-failing-to-run-on-bitri-with-referenceerror-device-is-not-defined/9479>\
**Category:** Question & Answer\
**Created:** [July 2, 2019, 1:14pm UTC](https://discuss.bitrise.io/t/detox-failing-to-run-on-bitri-with-referenceerror-device-is-not-defined/9479 "2019-07-02T13:14:25Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ravi-ts](https://avatars.discourse-cdn.com/v4/letter/r/fbc32d/32.png) [@ravi-ts](https://discuss.bitrise.io/u/ravi-ts)\
**Post date:** [July 2, 2019, 1:14pm UTC](https://discuss.bitrise.io/t/detox-failing-to-run-on-bitri-with-referenceerror-device-is-not-defined/9479/1 "2019-07-02T13:14:25Z")

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Detox on Bitrise suddenly stops working fro more details please look at my [log](https://app.bitrise.io/build/c80c0a96849def76#?tab=log) ,  
And it is working perfectly in local environment.

Please do let us know the solution.

 ![56%20PM](https://us1.discourse-cdn.com/flex016/uploads/bitrise/original/2X/e/ed839e1e341aeff45555b2cbbe0dcf9395e773c0.png)

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/bitrise/original/2X/d/d901cf2aad020f2dd11918afc89ec2089bb87b35.png) [@system](https://discuss.bitrise.io/u/system)\
**Post date:** [August 1, 2019, 1:14pm UTC](https://discuss.bitrise.io/t/detox-failing-to-run-on-bitri-with-referenceerror-device-is-not-defined/9479/2 "2019-08-01T13:14:29Z")

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