# Dynatrace is not monitoring in release build React Native

**URL:** <https://community.dynatrace.com/t/dynatrace-is-not-monitoring-in-release-build-react-native/44324>\
**Category:** Open Q&A\
**Tags:** release-monitoring, react-native\
**Created:** [February 27, 2024, 7:04am UTC](https://community.dynatrace.com/t/dynatrace-is-not-monitoring-in-release-build-react-native/44324 "2024-02-27T07:04:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Viktoria](https://avatars.discourse-cdn.com/v4/letter/v/df705f/32.png) [@Viktoria](https://community.dynatrace.com/u/Viktoria)\
**Post date:** [February 27, 2024, 7:04am UTC](https://community.dynatrace.com/t/dynatrace-is-not-monitoring-in-release-build-react-native/44324/1 "2024-02-27T07:04:25Z")

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I integrated dynatrace into the react native application, during debug mode everything works fine, but when I build the release build and launch the application on the phone, user activity is not displayed on the dynatrace board

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**Author:** ![PacoPorro](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/pacoporro/32/36087_2.png) [@PacoPorro](https://community.dynatrace.com/u/PacoPorro)\
**Post date:** [February 27, 2024, 8:18am UTC](https://community.dynatrace.com/t/dynatrace-is-not-monitoring-in-release-build-react-native/44324/2 "2024-02-27T08:18:55Z")

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Did you already check the troubleshooting guide for mobile rum?

> **[Troubleshooting RUM Classic for mobile applications](https://docs.dynatrace.com/docs/observe/digital-experience/rum-classic/mobile-applications/troubleshooting)**
>
> Troubleshoot and fix issues related to RUM for your mobile applications.

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**Author:** ![PierreGutierrez](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/pierregutierrez/32/5934_2.png) [@PierreGutierrez](https://community.dynatrace.com/u/PierreGutierrez)\
**Post date:** [March 4, 2024, 3:07am UTC](https://community.dynatrace.com/t/dynatrace-is-not-monitoring-in-release-build-react-native/44324/3 "2024-03-04T03:07:26Z")

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Hi&nbsp;[@Viktoria](https://community.dynatrace.com/user/72704)&nbsp; , Please check here&nbsp;troubleshooting&nbsp; for Reactive native :

[https://www.npmjs.com/package/@dynatrace/react-native-plugin#troubleshooting-and-applicable-restrictions](https://www.npmjs.com/package/@dynatrace/react-native-plugin#troubleshooting-and-applicable-restrictions)

In my experience, one of the reasons why these cases exist is human error, it has happened to me several times with customers.

This happens exactly in the applicationId and beaconUrl . Many times they use variables and do not configure them correctly, or they place the values ​​incorrectly and do not validate that it is arriving.

I recommend you validate how they have implemented that part